The polarization of American politics, in one map


If it feels like American politics have become more polarized in recent years, that's because they have. A new study from researchers at Princeton, Georgetown, and the University of Oregon finds that red states have been getting redder and blue states have been getting bluer over the past two decades:
Subscribe to The Week
Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.

Sign up for The Week's Free Newsletters
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
At the state level, Republicans are moving to the right and Democrats to the left, but of the two trends, the leftward swing has been more significant. Meanwhile, voters have tended to replace moderate Democrats with Republicans in recent elections, meaning state legislatures have shifted slightly right on balance while hosting Democratic representatives who more fiercely oppose that consensus.
The researchers connected increased polarization with greater income inequality, finding that moderate Democrats were most likely to be ousted in favor of Republicans in places where income inequality is rising most quickly.
A free daily email with the biggest news stories of the day – and the best features from TheWeek.com
Bonnie Kristian was a deputy editor and acting editor-in-chief of TheWeek.com. She is a columnist at Christianity Today and author of Untrustworthy: The Knowledge Crisis Breaking Our Brains, Polluting Our Politics, and Corrupting Christian Community (forthcoming 2022) and A Flexible Faith: Rethinking What It Means to Follow Jesus Today (2018). Her writing has also appeared at Time Magazine, CNN, USA Today, Newsweek, the Los Angeles Times, and The American Conservative, among other outlets.
-
Jared and Ivanka's Albanian island
Under The Radar The deal to develop Sazan has been met with widespread opposition
-
Storm warning
Feature The U.S. is headed for an intense hurricane season. Will a shrunken FEMA and NOAA be able to respond?
-
U.S. v. Skrmetti: Did the trans rights movement overreach?
Feature The Supreme Court upholds a Tennessee law that bans transgender care for minors, dealing a blow to trans rights
-
Trump sues LA over immigration policies
Speed Read He is suing over the city's sanctuary law, claiming it prevents local law enforcement from cooperating with federal immigration authorities
-
Obama, Bush and Bono eulogize USAID on final day
Speed Read The US Agency for International Development, a humanitarian organization, has been gutted by the Trump administration
-
The last words and final moments of 40 presidents
The Explainer Some are eloquent quotes worthy of the holders of the highest office in the nation, and others... aren't
-
Senate advances GOP bill that costs more, cuts more
Speed Read The bill would make giant cuts to Medicaid and food stamps, leaving 11.8 million fewer people with health coverage
-
Canadian man dies in ICE custody
Speed Read A Canadian citizen with permanent US residency died at a federal detention center in Miami
-
GOP races to revise megabill after Senate rulings
Speed Read A Senate parliamentarian ruled that several changes to Medicaid included in Trump's "One Big Beautiful Bill" were not permissible
-
Supreme Court lets states ax Planned Parenthood funds
Speed Read The court ruled that Planned Parenthood cannot sue South Carolina over the state's effort to deny it funding
-
Trump plans Iran talks, insists nuke threat gone
Speed Read 'The war is done' and 'we destroyed the nuclear,' said President Trump