See the latest Pew Research Center data on U.S. political party affiliation, including trends in voting and elections.

U.S. PoliticsApril 25, 2017

Support for free trade agreements rebounds modestly, but wide partisan differences remain

Americans’ support for free trade agreements, which fell sharply during the 2016 presidential campaign, has rebounded modestly. The partisan gap in views of trade agreements remains substantial.

U.S. PoliticsApril 20, 2017

Share of Democrats calling Russia ‘greatest danger’ to U.S. is at its highest since end of Cold War

Nearly four-in-ten Democrats (39%) name Russia as the country that represents the greatest danger to the United States – the highest percentage expressing this view in nearly three decades.

U.S. PoliticsApril 6, 2017

Americans remain divided on how the Supreme Court should interpret the Constitution

The contentious Senate debate over Judge Neil Gorsuch’s nomination to the Supreme Court has cast a spotlight on deep partisan and ideological divisions in Congress – and in the public – over how the U.S. Supreme Court should interpret the Constitution when making its decisions.

Pew Research CenterMarch 22, 2017

How much does science knowledge influence people’s views on climate change and energy issues?

People’s level of science knowledge helps to a degree to explain their beliefs about climate and energy issues, but it depends on their partisanship.

U.S. PoliticsMarch 20, 2017

A wider partisan and ideological gap between younger, older generations

The generation gap in American politics is dividing two younger age groups, Millennials and Generation X, from the two older groups, Baby Boomers and the Silent Generation.

U.S. PoliticsFebruary 16, 2017

More favor than oppose Gorsuch nomination to Supreme Court

A few weeks after Gorsuch’s nomination, 44% of Americans say they favor the Senate confirming him, while 32% are opposed; roughly a quarter offer no opinion.

January 13, 2017

Republicans more likely than Democrats to have confidence in police

Republicans and Democrats have vastly different opinions about how well police do their jobs and the realities of policing today.

U.S. PoliticsJanuary 10, 2017

U.S. public sees Russian role in campaign hacking, but is divided over new sanctions

Among those aware of allegations, 72% say Russia was definitely or probably behind the hacks, versus 24% who think it was definitely or probably not.

U.S. PoliticsJanuary 10, 2017

How America Changed During Barack Obama’s Presidency

Pew Research Center President Michael Dimock examines the changes – some profound, some subtle – that the U.S. experienced during Barack Obama’s presidency.

U.S. PoliticsDecember 20, 2016

In Election’s Wake, Partisans Assess the State of Their Parties

In the wake of the election, Republicans are feeling more optimistic about their party’s future. By contrast, Democrats’ optimism about the Democratic Party’s future has declined.