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Political polarization in the United States

"Asymmetric polarization" redirects here. For asymmetric polarization in American news media, see Media bias in the United States.

One year after the election of Donald Trump as U.S. president, American Facebook users on the political right and political left shared almost no common interests.

Political polarization is a prominent component of politics in the United States. Scholars distinguish between ideological polarization (differences between the policy positions) and affective polarization (a dislike and distrust of political out-groups), both of which are apparent in the United States. In the last few decades, the U.S. has experienced a greater surge in ideological polarization and affective polarization than comparable democracies.

Differences in political ideals and policy goals are indicative of a healthy democracy. Scholarly questions consider changes in the magnitude of political polarization over time, the extent to which polarization is a feature of American politics and society, and whether there has been a shift away from focusing on triumphs, to dominating the (perceived) abhorrent supporters of the opposing party.

Polarization among U.S. legislators is asymmetric, as it has primarily been driven by a substantial rightward shift among congressional Republicans, alongside a much smaller leftward shift among congressional Democrats. However, since the early 2010s, the Democratic Party has shifted significantly to the left on social, cultural, and religious issues. Since the 1970s, the United States has grown more polarized, with rapid increases in polarization during the 2000s onwards. According to the Pew Research Center, members of both parties who have unfavorable opinions of the opposing party have doubled since 1994, while those who have very unfavorable opinions of the opposing party are at record highs as of 2022.

Definition

The percentage of people who took between 0 and 7 "Democratic" positions on 7 issues

According to psychology professors Gordon Heltzel and Kristin Laurin, political polarization occurs when "subsets of a population adopt increasingly dissimilar attitudes toward parties and party members (i.e., affective polarization), as well as ideologies and policies (ideological polarization)". The Pew Research Center defines political polarization as "the vast and growing gap between liberals and conservatives, Republicans and Democrats".

Polarization has been defined as both a process and a state of being. A defining aspect of polarization, though not its only facet, is a bimodal distribution around conflicting points of view or philosophies. In general, defining a threshold at which an issue is "polarized" is imprecise; detecting the trend of polarization, however, (increasing, decreasing, or stable) is more straightforward.

A related concept is that of party homogeneity, which describes the similarities of the constituencies of two officials of the same party. There is also party polarization, which refers to the gap between the typical constituency of one party as compared to the other in a two-party system.

History

Gilded Age

The Gilded Age of the late 19th century (c. 1870 – 1900) is considered to be one of the most politically polarized periods in American history, with open political violence and highly polarized political discourse. A key event during this era was the election of 1896, which some scholars say led to an era of one-party rule, created "safe seats" for elected officials to build careers as politicians, increased party homogeneity, and increased party polarization. Political polarization was overall heightened, with Republicans strengthening their hold on industrial areas, and Democrats losing ground in the North and upper Midwest.

1950s and 1960s

The 1950s and 1960s were marked by high levels of political bipartisanship, the results of a post-World War II "consensus" in American politics, as well as ideological diversity within each of the two major parties.

1990–present

Media and political figures began espousing the narrative of polarization in the early 1990s, with a notable example being Pat Buchanan's speech at the 1992 Republican National Convention. In the speech, he declared a culture war for the future of the country. In 1994, the Democratic Party lost control of the House of Representatives for the first time in forty years. The narrative of political polarization became a recurring theme in the elections of 2000 and 2004. After George W. Bush was reelected in 2004, English historian Simon Schama noted that the US had not been so polarized since the American Civil War, and that a more apt name might be the Divided States of America. From 1994 to 2014, the share of Americans who expressed either "consistently liberal" or "consistently conservative" opinions doubled from 10% to 21%. In 1994, the average Republican was more conservative than 70% of Democrats, compared to more conservative than 94% of Democrats in 2014. The average Democrat went from more liberal than 64% of Republicans to more liberal than 92% of Republicans during the same era.

Families, in contrast, are becoming more politically homogenous. As of 2018, 80% of marriages had spousal alignment on party affiliation. Parent-child agreement was 75%. Both of these represent significant increases from family homogeneity in the 1960s. A 2022 study found that there had been a substantial increase since 1980 in political polarization among adolescents, driven by parental influence.

A Brown University study released in 2020 found that the U.S. was polarizing faster compared to other democratic countries such as Canada, the United Kingdom, Germany, and Australia. Wilson indicates that while polarization itself is not a dire issue, the idea of voters voting solely by party line rather than by policy is concerning.

According to Stony Brook University political scientists Yanna Krupnikov and John Barry Ryan, polarization in American politics is primarily a phenomenon among Americans who are deeply involved in politics and very expressive about their political views. Americans who are not as involved in politics are not as polarized.

Politically polarizing issues

As of February 2020, a study conducted by the Pew Research Center highlights the current political issues that have the most amount of partisanship. By far, addressing climate change was the most partisan issue with only 21% of Republicans considering it a top policy priority as opposed to 78% of Democrats. Issues that are also extremely partisan include protecting the environment, reforming gun policy, and bolstering the country's military strength. These differences in policy priorities emerge as both Democrats and Republicans shift their focus away from improving the economy. Since 2011, both parties have gradually placed economic stimulation and job growth lower on their priority list, with Democrats experiencing a sharper decline of importance when compared to Republicans. This is in stark contrast to the 1990s, when both Democrats and Republicans shared similar views on climate change and showed significantly much more agreement.

Furthermore, a poll conducted by Gallup identifies issues where the partisan gap has significantly increased over a period of about fifteen years. For Republicans, the most significant shift was the idea that the "federal government has too much power," with 39% of Republicans agreeing with that notion in 2002 as opposed to 82% agreeing in 2016. On the Democratic side, the largest shift was increasing favorability towards Cuba, changing from 32% in 2002 to 66% in 2017. Ultimately, as partisanship continues to permeate and dominate policy, citizens who adhere and align themselves with political parties become increasingly polarized.

On some issues with a wide public consensus, partisan politics still divides citizens. For instance, even though 60% of Americans believe that the government should provide healthcare for its citizens, opinions are split among party lines with 85% of Democrats, including left-leaning independents, believing that healthcare is the government's responsibility and 68% of Republicans believe that it is not the government's responsibility.

Likewise, on some prominent issues where the parties are broadly split, there is bipartisan support for specific policies. For example, in health care, 79% of Americans think pre-existing conditions should be covered by health insurance; 60% think abortion should be broadly legal in the first trimester but only 28% in the second trimester and 13% in the third trimester. 77% of Americans think immigration is good for the country. On gun rights, 89% support more mental health funding, 83% support closing the gun show loophole, 72% support red flag laws, and 72% support requiring gun permits when purchasing. In the federal budget, there is 80% or more support to retain funding for veterans, infrastructure, Social Security, Medicare, and education.

Political polarization also shaped the public's reaction to COVID-19. A study that observed the online conversations surrounding the COVID-19 pandemic found that left-leaning individuals were more likely to criticize politicians compared to right-leaning users. Additionally, left-leaning social media accounts often shared health prevention measures through hashtags, while right-leaning posts were more likely to spread conspiracies and retweet posts from the White House's Twitter account. The study continues to explain that, when considering geographic location, because individuals in conservative and right leaning areas are more likely to see COVID-19 as a non-threat, they are less likely to stay home and follow health guidelines.

Potential causes

Congress leads the public

See also: Negative partisanship

Some scholars argue that diverging parties has been one of the major driving forces of polarization as policy platforms have become more distant. This theory is based on recent trends in the United States Congress, where the majority party prioritizes the positions that are most aligned with its party platform and political ideology. The adoption of more ideologically distinct positions by political parties can cause polarization among both elites and the electorate. For example, after the passage of the Voting Rights Act, the number of conservative Democrats in Congress decreased, while the number of conservative Republicans increased. Within the electorate during the 1970s, Southern Democrats shifted toward the Republican Party, showing polarization among both the elites and the electorate of both main parties.

Political scientists have shown politicians have an incentive to advance and support polarized positions. These argue that during the early 1990s, the Republican Party used polarizing tactics to become the majority party in the United States House of Representatives—which political scientists Thomas E. Mann and Norman Ornstein refer to as Newt Gingrich's "guerrilla war." What political scientists have found is that moderates are less likely to run than are candidates who are in line with party doctrine, otherwise known as "party fit." Other theories state politicians who cater to more extreme groups within their party tend to be more successful, helping them stay in office while simultaneously pulling their constituency toward a polar extreme. A study by Nicholson (2012) found voters are more polarized by contentious statements from leaders of the opposing party than from the leaders of their own party. As a result, political leaders may be more likely to take polarized stances.

Political fund-raisers and donors can also exert significant influence and control over legislators. Party leaders are expected to be productive fund-raisers, in order to support the party's campaigns. After Citizens United v. Federal Election Commission, special interests in the U.S. were able to greatly impact elections through increased undisclosed spending, notably through Super political action committees. Some, such as Washington Post opinion writer Robert Kaiser, argued this allowed wealthy people, corporations, unions, and other groups to push the parties' policy platforms toward ideological extremes, resulting in a state of greater polarization. Other scholars, such as Raymond J. La Raja and David L. Wiltse, note that this does not necessarily hold true for mass donors to political campaigns. These scholars argue a single donor who is polarized and contributes large sums to a campaign does not seem to usually drive a politician toward political extremes.

Polarization among U.S. legislators is asymmetric, as it has primarily been driven by a substantial rightward shift among congressional Republicans.

Voting patterns

In democracies and other representative governments, citizens vote for the political actors who will represent them. Some scholars argue that political polarization reflects the public's ideology and voting preferences. Dixit and Weibull (2007) claim that political polarization is a natural and regular phenomenon. They argue that there is a link between public differences in ideology and the polarization of representatives, but that an increase in preference differences is usually temporary and ultimately results in compromise. Fernbach, Rogers, Fox and Sloman (2013) argue that it is a result of people having an exaggerated faith in their understanding of complex issues. Asking people to explain their policy preferences in detail typically resulted in more moderate views. Simply asking them to list the reasons for their preferences did not result in any such moderation.

Morris P. Fiorina (2006, 2008) posits the hypothesis that polarization is a phenomenon which does not hold for the public, and instead is formulated by commentators to draw further division in government. Others, such as social psychologist Jonathan Haidt and journalists Bill Bishop and Harry Enten, instead note the growing percentage of the U.S. electorate living in "landslide counties", counties where the popular vote margin between the Democratic and Republican candidate is 20 percentage points or greater. In 1976, only 27 percent of U.S. voters lived in landslide counties, which increased to 39 percent by 1992. Nearly half of U.S. voters resided in counties that voted for George W. Bush or John Kerry by 20 percentage points or more in 2004. In 2008, 48 percent of U.S. voters lived in such counties, which increased to 50 percent in 2012 and increased further to 61 percent in 2016. In 2020, 58 percent of U.S. voters lived in landslide counties. At the same time, the 2020 U.S. presidential election marked the ninth consecutive presidential election where the victorious major party nominee did not win a popular vote majority by a double-digit margin over the losing major party nominee(s), continuing the longest sequence of such presidential elections in U.S. history that began in 1988 and in 2016 eclipsed the previous longest sequences from 1836 through 1860 and from 1876 through 1900. Other studies indicate that cultural differences focusing on ideological movements and geographical polarization within the United States constituency is correlated with rises in overall political polarization between 1972 and 2004.

Demographic changes

Religious, ethnic, and other cultural divides within the public have often influenced the emergence of polarization. According to Layman et al. (2005), the ideological split between U.S. Republicans and Democrats also crosses into the religious cultural divide. They claim that Democrats have generally become more moderate in religious views whereas Republicans have become more traditionalist. For example, political scientists have shown that in the United States, voters who identify as Republican are more likely to vote for a strongly evangelical candidate than Democratic voters. This correlates with the rise in polarization in the United States. Another theory contends that religion does not contribute to full-group polarization, but rather, coalition and party activist polarization causes party shifts toward a political extreme.

A 2020 paper studying polarization across countries found a correlation between increasing polarization and increasing ethnic diversity, both of which are happening in the United States.

Redistricting

The impact of redistricting—potentially through gerrymandering or the manipulation of electoral borders to favor a political party—on political polarization in the United States has been found to be minimal in research by leading political scientists. The logic for this minimal effect is twofold: first, gerrymandering is typically accomplished by packing opposition voters into a minority of congressional districts in a region, while distributing the preferred party's voters over a majority of districts by a slimmer majority than otherwise would have existed. The result of this is that the number of competitive congressional districts would be expected to increase, and in competitive districts representatives have to compete with the other party for the median voter, who tends to be more ideologically moderate. Second, political polarization has also occurred in the Senate, which does not experience redistricting because Senators represent fixed geographical units, i.e. states. The argument that redistricting, through gerrymandering, would contribute to political polarization is based on the idea that new non-competitive districts created would lead to the election of extremist candidates representing the supermajority party, with no accountability to the voice of the minority. One difficulty in testing this hypothesis is to disentangle gerrymandering effects from natural geographical sorting through individuals moving to congressional districts with a similar ideological makeup to their own. Carson et al. (2007), has found that redistricting has contributed to the greater level of polarization in the House of Representatives than in the Senate, however that this effect has been "relatively modest". Politically motivated redistricting has been associated with the rise in partisanship in the U.S. House of Representatives between 1992 and 1994.

Majoritarian electoral institutions have been linked to polarization. However, ending gerrymandering practices in redistricting cannot correct for increased polarization due to the growing percentage of the U.S. electorate living in "landslide counties", counties where the popular vote margin between the Democratic and Republican candidate is 20 percentage points or greater. Of the 92 U.S. House seats ranked by The Cook Political Report as swing seats in 1996 that transitioned to being non-competitive by 2016, only 17 percent came as a result of changes to district boundaries while 83 percent came from natural geographic sorting of the electorate election to election.

Television and the Internet

See also: Communications in the United States; Confirmation bias; Criticism of Facebook § Non-informing, knowledge-eroding medium; Digital Revolution; Echo chamber (media); Evolutionary mismatch; Filter bubble; Infotainment; Mass media and American politics; Media coverage of climate change; Media coverage of the COVID-19 pandemic; Media coverage of Hurricane Katrina; Media coverage of the Iraq War; Media coverage of the Virginia Tech shooting; Representation of African Americans in media; Social aspects of television § Political polarization; Social media and political communication in the United States; Social media use in politics; and United States news media and the Vietnam War

A 2020 paper comparing polarization across several wealthy countries found no consistent trend, prompting Ezra Klein to reject the theory that the Internet and social media were the underlying cause of the increase in the United States.

A 2013 review concluded that there is no firm evidence that media institutions contributed to the polarization of average Americans in the last three decades of the 20th century. No evidence supports the idea that longstanding news outlets become increasingly partisan. Analyses confirm that the tone of evening news broadcasts remained unchanged from 1968 to 1996: largely centrist, with a small but constant bias towards Democratic Party positions. However, more partisan media pockets have emerged in blogs, talk radio, websites, and cable news channels, which are much more likely to use insulting language, mockery, and extremely dramatic reactions, collectively referred to as "outrage". People who have strongly partisan viewpoints are more likely to watch partisan news.

A 2017 study found no correlation between increased media and Internet consumption and increased political polarization, although the data did confirm a larger increase in polarization among individuals over 65 compared to those aged 18–39.

Along with political scientist Sam Abrams, social psychologist Jonathan Haidt argues that political elites in the United States became more polarized beginning in the 1990s as the Greatest Generation and the Silent Generation (fundamentally shaped by their living memories of World War I, World War II, and the Korean War) were gradually replaced with Baby boomers and Generation Jones (fundamentally shaped by their living memories of the U.S. culture war of the 1960s). Haidt argues that because of the difference in their life experience relevant to moral foundations, Baby boomers and Generation Jones may be more prone to what he calls "Manichean thinking," and along with Abrams and FIRE President Greg Lukianoff, Haidt argues that changes made by Newt Gingrich to the parliamentary procedure of the U.S. House of Representatives beginning in 1995 made the chamber more partisan.

Also, unlike the first half of the 20th century, protests of the 1960s civil rights movement (such as the Selma to Montgomery marches in 1965) were televised, along with police brutality and urban race rioting during the latter half of the decade. In 1992, 60 percent of U.S. households held cable television subscriptions in the United States, and Haidt, Abrams, and Lukianoff argue that the expansion of cable television, and Fox News in particular since 2015 in their coverage of student activism over political correctness at colleges and universities in the United States, is one of the principal factors amplifying political polarization since the 1990s.

Haidt and Lukianoff also argue that the filter bubbles created by the News Feed algorithm of Facebook and other social media platforms are also one of the principal factors amplifying political polarization since 2000 (when a majority of U.S. households first had at least one personal computer and then internet access the following year). In 2002, a majority of U.S. survey respondents reported having a mobile phone.

Big data algorithms are used in personalized content creation and automatization; however, this method can be used to manipulate users in various ways. The problem of misinformation is exacerbated by the educational bubble, users' critical thinking ability and news culture. Based on a 2015 study, 62.5% of the Facebook users are oblivious to any curation of their News Feed. Furthermore, scientists have started to investigate algorithms with unexpected outcomes that may lead to antisocial political, economic, geographic, racial, or other discrimination. Facebook has remained scarce in transparency of the inner workings of the algorithms used for News Feed correlation. Algorithms use the past activities as a reference point for predicting users' taste to keep them engaged. However, this leads to the formation of a filter bubble that starts to refrain users from diverse information. Users are left with a skewed worldview derived from their own preferences and biases.

In 2015, researchers from Facebook published a study indicating that the Facebook algorithm perpetuates an echo chamber amongst users by occasionally hiding content from individual feeds that users potentially would disagree with: for example the algorithm removed one in every 13 diverse content from news sources for self-identified liberals. In general, the results from the study indicated that the Facebook algorithm ranking system caused approximately 15% less diverse material in users' content feeds, and a 70% reduction in the click-through-rate of the diverse material.

Facebook has, at least in the political field, a counter-effect on being informed: in two studies from the US with a total of more than 2,000 participants, the influence of social media on the general knowledge on political issues was examined in the context of two US presidential elections. The results showed that the frequency of Facebook use was moderately negatively related to general political knowledge. This was also the case when considering demographic, political-ideological variables and previous political knowledge. According to the latter, a causal relationship is indicated: the higher the Facebook use, the more the general political knowledge declines. In 2019, Jonathan Haidt argued that there is a "very good chance American democracy will fail, that in the next 30 years we will have a catastrophic failure of our democracy."

Influence operations

According to a report by Oxford researchers including sociologist Philip N. Howard, social media played a major role in political polarization in the United States, due to computational propaganda -- "the use of automation, algorithms, and big-data analytics to manipulate public life"—such as the spread of fake news and conspiracy theories. The researchers highlighted the role of the Russian Internet Research Agency in attempts to undermine democracy in the US and exacerbate existing political divisions. The most prominent methods of misinformation were ostensibly organic posts rather than ads, and influence operation activity increased after, and was not limited to, the 2016 election. During Russian interference in the 2016 election, examples of efforts included "campaigning for African American voters to boycott elections or follow the wrong voting procedures in 2016", "encouraging extreme right-wing voters to be more confrontational", and "spreading sensationalist, conspiratorial, and other forms of junk political news and misinformation to voters across the political spectrum."

Sarah Kreps of Brookings points out that in the wake of foreign influence operations which are nothing new but boosted by digital tools, the U.S. has had to spend exorbitantly on defensive measures "just to break even on democratic legitimacy."

According to the House Intelligence Committee, by 2018, organic content created by the Russian IRA reached at least 126 million US Facebook users, while its politically divisive ads reached 11.4 million US Facebook users. Tweets by the IRA reached approximately 288 million American users. According to committee chair Adam Schiff, "[The Russian] social media campaign was designed to further a broader Kremlin objective: sowing discord in the U.S. by inflaming passions on a range of divisive issues. The Russians did so by weaving together fake accounts, pages, and communities to push politicized content and videos, and to mobilize real Americans to sign online petitions and join rallies and protests."

Michael McFaul, former U.S. Ambassador to Russia from 2012 to 2014, believes the U.S. has faced a democratic decline, stemming from elite polarization and damage done by former President Donald Trump to trust in elections and bonds with democratic allies. McFaul states that the decline in democracy weakens national security and heavily restrains foreign policy.

Portrayals of violence in the media can lead to fear of crime or terrorism or fear of "other" groups. These can appear out of proportion to their actual frequency, and due to the availability heuristic, these fears can be out of proportion to the actual threat from other groups.

Issues

According to a 2020 study, "polarization is more intense when unemployment and inequality are high" and "when political elites clash over cultural issues such as immigration and national identity."

Absence of external threats

One common hypothesis for polarization in the United States is the end of the Cold War and a greater absence of severe security threats. A 2021 study disputed this, finding little evidence that external threats reduce polarization.

Effects

Political violence

Some authors have found a correlation between polarization of political discourse and the prevalence of political violence. For instance, Rachel Kleinfeld, an expert on the rule of law and post-conflict governance, writes that political violence is extremely calculated and, while it may appear "spontaneous," it is the culmination of years of "discrimination and social segregation." Part of the problem lies in partisan politics, as partisanship in the political arena fosters partisan violence. In return, this increases polarization within the public, resulting in a public that ends up justifying political violence. Politicians may use political polarization as a weapon to further push existing institutions, which may also foster political violence. When applied to the United States, the current polarized climate may create conditions that can lead political violence within the country, unless there is meaningful reform. In fact, data shows that within three years, both Democrats and Republicans increasingly agree that political violence is at least "a little" justified as long as their party's political agenda is advanced. In 2017, only 8% of both Democrats and Republicans justified the use of political violence, but as of September 2020, that number jumped to 33% and 36%, respectively.

Trust in science

See also: Denialism

The General Social Survey periodically asks Americans whether they trust scientists. The proportion of American conservatives who say they place "a great deal of trust" in scientists fell from 48% in 1974 to 35% in 2010 and rose again to 39% in 2018. Liberals and independents, meanwhile, report different levels of trust in science.

The COVID-19 pandemic brought these differences front and center, with partisanship often being an indicator of how a citizen saw the gravity of the crisis. In the early stages of the pandemic, Republican governors often went against the advice of infectious disease experts while most of their Democratic counterparts translated the advice into policy through policies such as stay at home orders.

Similar to other polarizing topics in the US, a person's attitude towards COVID-19 became a matter of political identity. While the crisis had very little precedent in US history, reactions from both liberals and conservatives stemmed from long-held messaging cues among their parties. Conservatives responded to the anti-elite, states' rights, and small government messaging cues surrounding the virus. This then translated into avid hostility towards any measure that limited a person's autonomy (mask requirements, schools closing, lockdowns, vaccine mandates, etc.). Meanwhile, liberals' attitude towards science made them more likely to follow the guidance from institutions like the CDC and well-known medical experts, such as Dr. Anthony Fauci.

Congress

Political polarization among elites is negatively correlated with legislative efficiency, which is defined by the total number of laws passed, as well as the number of "major enactments" and "key votes". Evidence suggests that political polarization of elites may more strongly affect efficiency than polarization of Congress itself, with authors hypothesizing that the personal relationships among members of Congress may enable them to reach compromises on contentiously advocated legislation, though not if elites allow no leeway for such.

Negative effects of polarization on the United States Congress include increased gridlock and partisanship at the cost of quality and quantity of passed legislation. It also incentivizes stall tactics and closed rules, such as filibusters and excluding minority party members from committee deliberations. These strategies hamper transparency, oversight, and the government's ability to handle long-term domestic issues, especially those regarding the distribution of benefits. Further, they foster animosity, as majority parties lose bipartisan and legislative coordination trying to expedite legislation to overcome them.

Some scholars claim that political polarization is not so pervasive or destructive in influence, contending that partisan agreement is the historical trend in Congress and still frequent in the modern era, including on bills of political importance. Some studies have found approximately 80% of House bills passed in the modern era to have had support from both parties.

The public

ANES feeling thermometer responses 1980–2016, showing a rise in affective polarization

Opinions on polarization's effects on the public are mixed. Some argue that the growing polarization in government has directly contributed to political polarization in the electorate, but this is not unanimous.

Some scholars argue that polarization lowers public interest in politics, party identification and voter turnout. It encourages confrontational dynamics between parties that can lower overall public trust and approval in government., and causes the public to perceive the general political debate as less civil, which can alienate voters. More polarized candidates, especially when voters aren't aware of the increase, also tend to be less representative of the public's wishes.

On the other hand, others assert that elite polarization has galvanized the public's political participation in the United States, citing greater voting and nonvoting participation, engagement and investment in campaigns, and increased positive attitude toward government responsiveness. Polarized parties become more ideologically unified, furthering voter knowledge about their positions and increasing their standard to similarly aligned voters.

Affective polarization has risen in the US, with members of the public likely to say that supporters of the other major political party are hypocritical, closed-minded, and selfish. Based on survey results by the American National Election Study, affective polarization has increased significantly since 1980. This was determined by the differences of views an individual had of their political party and the views they had of the other party. Americans have also gotten increasingly uncomfortable with the idea of their child marrying someone of another political party. In 1960, 4–5% of Americans said they were uncomfortable with the idea. By 2010, a third of Democrats would be upset at this outcome, and half of all Republicans.

The media

Main article: Media bias in the United States

As Mann and Ornstein argue, political polarization and the proliferation of media sources have "reinforce[d] tribal divisions, while enhancing a climate where facts are no longer driving the debate and deliberation, nor are they shared by the larger public." As other scholars have argued, the media often support and provoke the stall and closed rules tactics that disrupt regular policy procedure.

Not only this, but media can give the illusion that the electorate is more polarized than it truly is, pushing each end farther from the middle. Today's constantly growing digital environment allows for the customization of information, with individuals never seemingly being exposed to opposing viewpoints. There is a long-standing belief that exposure to both sides of an argument will moderate political attitudes, and there is empirical evidence that voters often do self-moderate, saying that internet users do also search for news in the opposing viewpoint.

The increased use of social media since 2008 has caused those who normally did not consume news coverage to now encounter headlines on their newsfeeds on a regular basis. The media has become more skilled about framing news stories to create the greatest outrage, regardless of their spot on the political spectrum. Not only this, but with the introduction of "fake news", voters are more apt to cherry-pick between news sources as mistrust in the mainstream media rises. This mistrust stems from a number of factors. Some of which include, political micro-targeting, bots, trolls, and digital algorithms- research has only just begun to name all of the factors at play. Allowing these perpetrators of political polarization to stand in the way of democracy is the biggest hindrance to healthy party disagreement.

A concern with the increasing trend of political polarization is the social stigma stemming from either side towards their perceived opposition. It contributes to the chronic lack of compromise and uncivilized discourse leading to both extremism and policy stalemates. The media takes advantage of such discord and shares anecdotal headlines meant to stoke the flames of polarization, rather than sharing generalized and subsequently tamer broad statistics.

While the media are not immune to general public opinion and reduced polarization allows them to appeal to a larger audience, polarized environments make it easier for the media and interest groups to hold elected officials more accountable for their policy promises and positions, which is generally healthy for democracy.

Trust in the democratic process

The issue of political polarization in the US has also had noticeable effects on how citizens view the democratic process. In both of the two last presidential elections, a large segment of voters among the losing party raised concerns about the fairness of the election. When Donald Trump won the 2016 election, the share of Democratic voters who were "not confident" in the election results more than doubled compared to pre-election day data (14% on October 15, 2016, versus 28% on January 28, 2017). In 2020, three-in-four Republicans doubted the fairness of the presidential election. This narrative of a stolen election narrative was in large part driven by Trump himself, who refused to concede the election up until less than two weeks before Joe Biden's inauguration. This took place after the events of January 6, 2021, when thousands of Trump's supporters stormed the United States Capitol in an attempt to overturn the results of the election.

Judicial systems

Judicial systems can also be affected by the implications of political polarization. For the United States, in particular, polarization lowers confirmation rates of judges; In 2012, the confirmation rate of presidential circuit court appointments was approximately 50% as opposed to the above 90% rate in the late 1970s and early 1980s. More polarized parties have more aggressively blocked nominees and used tactics to hinder executive agendas. Political scientist Sarah Binder (2000) argues that "senatorial intolerance for the opposing party's nominees is itself a function of polarization." Negative consequences of this include higher vacancy rates on appellate courts, longer case-processing times and increased caseloads for judges. Voting margins have also become much closer for filling vacancies on the Supreme Court. Justice Antonin Scalia was confirmed 98–0 in 1986; Ruth Bader Ginsburg was confirmed 96–3 in 1993. Samuel Alito was confirmed 58–42 in 2005, and Brett Kavanaugh was confirmed 50–48 in 2018.

Political scientists argue that in highly polarized periods, nominees become less reflective of the moderate voter as "polarization impacts the appointment and ideological tenor of new federal judges." It also influences the politics of senatorial advice and consent, giving partisan presidents the power to appoint judges far to the left or right of center on the federal bench, obstructing the legitimacy of the judicial branch.

Ultimately, the increasing presence of ideology in a judicial system impacts the judiciary's credibility. Polarization can generate strong partisan critiques of federal judges, which can damage the public perception of the justice system and the legitimacy of the courts as nonpartisan legal arbiters.

Foreign policy

Political polarization can undercut unified agreement on foreign policy and harm a nation's international standing; divisiveness on foreign affairs strengthens enemies, discourages allies, and destabilizes a nation's determination.

Political scientists point to two primary implications of polarization with regards to the foreign policy of the United States. First, when the United States conducts relations abroad and appears divided, allies are less likely to trust its promises, enemies are more likely to predict its weaknesses, and uncertainty as to the country's position in world affairs rises. Second, elite opinion has a significant impact on the public's perception and understanding of foreign policy, a field where Americans have less prior knowledge to rely on.

Democratic backsliding

A 2021 study in Public Opinion Quarterly found evidence that polarization contributed to reductions in support for democratic norms.

In a 2021 report Freedom House said that political polarization was a cause of democratic backsliding in the U.S. since political polarization undermines the "idea of a common national identity" and impedes solutions to governance problems. Gerrymandering was singled out as a cause for this since it creates safe seats for one party that can lead it to become more radical so its candidates can win their primary elections.

Proposed solutions

The United States is currently more politically divided now than it has been in the past twenty years. Not only is there less collaboration and mutual understanding between Democrats and Republicans, but members of both political parties increasingly view each other in an extremely negative way. As a result, partisan politics has begun to shape the relationships individuals have with others, with 50% of Republicans and 35% of Democrats likely to surround themselves with friends who share similar political views. Towards the respective ends of the political spectrum, nearly two-thirds (63%) of consistent conservatives and about half (49%) of consistent liberals say most of their close friends share their political views. Additionally, increased animosity and distrust among American politicians and citizens can be attributed to the increased skepticism of American institutions - a problem that is extremely catalyzed by political polarization and may lead to democratic backsliding. As polarization creates a less than ideal political climate, scholars have proposed multiple solutions to fix or mitigate the effects of the political polarization in the United States.

Voting process reform

Various changes to voting procedures have been proposed to reduce political polarization. Two proposed reforms would potentially move the U.S. from a two-party system to a multi-party system.

Proportional representation would divide Congressional seats based on the percentage of people who voted for a specific political party. For instance, if Democrats won 20% of the vote, they would receive 20% of the Congressional seats.

Advocates of instant-runoff voting say it encourages more moderation in political campaigns by allowing candidates to argue they should be the second choice for supporters of an opponent. It could potentially be used to replace the Electoral College with a less partisan popular vote. IRV also makes third parties more viable because it removes the spoiler effect.

Elaine Kamarck of the Brookings Institution suggest ways to work within the two-party system, such as taking measures to increase voter turnout to elect more moderate representatives in Congress. She reasons that abolishing closed primaries may invite independents or individuals from the opposing political party to vote for a representative other than their registered party's candidate. In doing so, the strict ideological divides may subside, allowing for more moderate representatives to be elected. Thus, as a result there would be an increasing ideological overlap in Congress and less polarization.

Kamarck also proposes instituting a nationwide voting process like "California's top-two method," where there is only one general election for all political parties, and the top two candidates advance into the general election. Once again, this process is meant to elect more moderates into government, but there is no evidence that this has happened.

Advocates for setting fixed terms for selection of the justices of the Supreme Court of the United States argue it will reduce the partisanship of confirmation battles if both major parties are satisfied they will have the chance to make a certain number of appointments.

Intergroup contact

Shifting to a more societal-based solution, social psychologists state that more social contact with those holding opposing political views may help mitigate political polarization. Focusing specifically on the creation of citizens' assemblies, the idea is to create a space where representatives and citizens are encouraged to discuss political topics and issues in a constructive fashion, hopefully resulting in compromise or mutual understanding. Yet, intergroup contact, as psychologists warn, must be created within specific parameters in order to create meaningful change. These boundaries, which make actual social implementation difficult, include a constant, meaningful dialogue between multiple members of each group. Constructive conversations should focus on principles, legislation, and policies and avoid inflammatory trigger words such as left and right, blue and red, and liberal and conservative. These words can make people become emotional and defensive when supporting their own side and stop listening with an open mind to what those on the other side are saying. In short, conversations can be more productive and meaningful by avoiding contrasting tribal and political identities. In Talking Sense about Politics: How to Overcome Political Polarization in Your Next Conversation, Jack Meacham encourages having conversations based on four neutral, impartial perspectives—detached, loyal, caring, and tactful—that underlie how people think about and respond to political issues. A number of groups in the U.S. actively host interpartisan discussions in an attempt to promote understanding and social cohesion.

Social and historical complexity

A third solution recognizes that American society, history, and political thought are more complex than what can be conveyed by only two partisan positions. The notion that political parties could be arranged along a single dimension anchored at the right and left ends arose during the French revolution. These who sat on the right side in the parliament supported tradition and the monarchy. Those on the left side supported the revolution and the republic. Now, two centuries later these simplistic terms, right and left, fail to accurately and fully describe the complexity, nuances, and subtle differences of American politics. Unfortunately, far too often pundits, political leaders, and media personalities continue to dominate American political discourse by focusing on only simplistic, bimodal, oppositional, and antagonistic political positions. The solution is to call attention to and highlight the complex reality of American political thought. Concretely, this means describing American social and political groups with three, four, five, or more terms—-any number other than two political positions.

Joel Garreau's The Nine Nations of North America, first published in 1981, was an early attempt to analyse such multiple positions. Colin Woodard revisited Garreau's theories in his 2011 book American Nations. Frank Bruni wrote that America was emerging from the 2016 election with four political parties: Paul Ryan Republicans, a Freedom Caucus, establishment Democrats, and an Elizabeth Warren and Bernie Sanders party. Similarly, David Brooks in 2016 identified four political parties: Trump's populist nationalism, a libertarian Freedom Caucus, a Bernie Sanders and Elizabeth Warren progressive party, and a Chuck Schumer and Nancy Pelosi Democratic establishment party.

In Talking Sense about Politics: How to Overcome Political Polarization in Your Next Conversation, Jack Meacham argues that four fundamental, impartial perspectives have powered our economic and social progress and enabled Americans to better understand themselves and others. People holding the first of these four perspectives, the loyal perspective, aim to compete, be in charge, and win. The aim of people holding the second perspective, tactful, is to negotiate and get along with others. The third perspective, detached, is represented by people who want to disengage from others and work things out for themselves. People who reflect the fourth perspective, caring, aim to cooperate with and look out for others.

George Packer, in Last Best Hope: America in Crisis and Renewal, also argues that America can best be understood not as two polarities but instead as four American narratives:

• Free America, focuses on personal freedom, consumer capitalism, and hostility to government.
• The smart America narrative includes professionals who value novelty and diversity, embrace meritocracy, and welcome globalization.
• The real America narrative includes the working class—anti-intellectual, nationalist, religious, and white supremacist.
• And the just America narrative includes educated younger people for whom American institutions are unjust, corrupt, and fail to address issues of environment, race, and gender.

There are eight social classes in America, according to David Brooks.

• The four classes of a red hierarchy include (1) corporate executives and entrepreneurs; (2) large property-owning families; (3) middle managers and small-business owners; and (4) the rural working class.
• The four classes of a blue hierarchy include (5) tech and media executives, (6) foundation heads and highly successful doctors and lawyers; (7) a creative class of scientists, engineers, lawyers, professors, doctors, and other professionals; a younger educated elite with growing cultural power; and (8) low-paid members of the service sector.

The Pew Research Center's political typology, based on a survey of 10,221 adults in July 2021, includes nine groups. There are substantial divisions within both the Democratic and Republican parties.

• The Democrats include (a) progressive left, (b) establishment liberals, (c) democratic mainstays, and (d) outsider left.
• The Republicans include (e) faith and flag conservatives, (f) committed conservatives, (g) populist right, and (h) ambivalent right.
• Stressed sideliner is a ninth group with no partisan leaning.

Outsider left, ambivalent right, and stressed sideliners have low interest in politics and low rates of voting.

Accommodation

Some commentators propose accommodating partisan differences by taking advantage of federalism and moving more authority away from the federal government and into state and local governments. Ezra Klein proposes that having clear differences between the two main parties gives voters a better choice than having two political parties that have mostly the same views. But he suggests reducing the negative consequences of partisanship by eliminating "ticking time bombs" like fights over raising the federal debt ceiling.

See also

• Problem Solvers Caucus

Further reading

• Bail, Chris (2021). Breaking the Social Media Prism: How to Make Our Platforms Less Polarizing. Princeton University Press. ISBN 978-0691203423.
• Klein, Ezra (2021). Why We're Polarized. Avid Reader Press / Simon & Schuster. ISBN 978-1476700366.

External links

• Listen First Coalition - a group of hundreds of organizations working to reduce political polarization in the United States and improve interpartisan understanding