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

Fact TankFebruary 23, 2016

U.S. religious groups and their political leanings

Mormons are the most heavily Republican-leaning religious group in the U.S., while a pair of major historically black Protestant denominations are two of the most reliably Democratic groups.

Fact TankFebruary 9, 2016

Democratic voters increasingly embrace the ‘liberal’ label – especially whites, Millennials and postgrads

As Hillary Clinton and Bernie Sanders battle over who better represents progressive or liberal values, it’s clear that Democratic voters overall have become increasingly comfortable with the “liberal” label.

Fact TankJanuary 5, 2016

5 facts about guns in the United States

Americans have shown broad and consistent support for expanded background checks for gun purchasers, but this has proven more contentious in practice than in principle. And the GOP holds a slight advantage over the Democratic Party in reflecting the public’s views about gun control.

Fact TankDecember 1, 2015

Republicans divided by income over government’s role in ‘safety net’ issues

There are stark socioeconomic differences within the GOP when it comes to issues like poverty, health care and education.

Fact TankNovember 10, 2015

5 facts about Republicans

Republican voters give the current field of presidential candidates higher ratings than at comparable times in the past two nomination contests.

Fact TankOctober 28, 2015

Where Republicans are united, divided on the economy

Here is a profile of Republicans’ views of the economy and economic policy, based on our surveys.

Fact TankSeptember 16, 2015

Polls show Republicans in a restive mood

Even before Donald Trump and Ben Carson surged past more traditional GOP presidential candidates in the polls, Republicans were feeling restive about their party and its leaders.

Fact TankAugust 21, 2015

24% of Americans now view both GOP and Democratic Party unfavorably

The rise in frustration, especially this year, is largely concentrated among Republicans and Republican-leaning independents critical of their party.

Pew Research CenterJune 11, 2015

Multiracial in America

Multiracial Americans are at the cutting edge of social and demographic change in the U.S.—young, proud, tolerant and growing at a rate three times as fast as the population as a whole.

Fact TankJune 2, 2015

5 key findings about how Europeans view the economy and EU

Despite their increasingly upbeat economic mood, Europeans show growing support for nontraditional political parties critical of the EU.