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

Pew Research CenterJune 26, 2014

Beyond Red vs. Blue: The Political Typology

Our latest political typology sorts voters into cohesive groups based on their attitudes and values and provides a field guide for the constantly changing political landscape.

Fact TankJune 24, 2014

After decades of GOP support, Cubans shifting toward the Democratic Party

For decades, Cubans in the U.S. have strongly identified with or leaned toward the Republican Party, even as Hispanics overall have tilted Democrat. But the party affiliation of Cubans has undergone a shift over the past decade.

Fact TankJune 17, 2014

A dug-in electorate bodes poorly for the Democrats in November

Since the Affordable Care Act was passed nearly four years ago, a plurality of Americans have disapproved of it. Since the onset of the Great Recession 6 years ago, more than 80% of Americans have rated economic conditions as only fair or poor. And since winning a second term, Barack Obama’s approval score has mostly been in the mid-40s or lower.

Pew Research CenterJune 12, 2014

Political Polarization in the American Public

Republicans and Democrats are more divided along ideological lines – and partisan acrimony is deeper and more extensive – than at any point in recent history. And these trends manifest themselves in myriad ways, both in politics and in everyday life.

Fact TankMay 20, 2014

More Republicans than Democrats see military service as asset for presidential candidates

As the 2016 presidential campaign ramps up, Republicans and Democrats have different wish lists when it comes to what traits they want in a candidate.

Pew Research CenterMarch 30, 2014

Democrats Face Challenges in This Year’s Midterm Elections

While Democrats are more popular than the GOP among the general public, the party faces a number of challenges in November, writes Andrew Kohut in the Wall Street Journal.

Pew Research CenterFebruary 28, 2014

Are the Democrats getting too liberal?

Andrew Kohut writes in the Washington Post that polarization is not a one-way street. While Republicans have become more conservative, Democrats have grown more liberal.

Fact TankFebruary 24, 2014

Just 28% of Republicans believe GOP advocates its principles well

A minority of Republicans believe that their party is doing a good job in standing up for its traditional positions of smaller government, tax-cutting and conservative social values.

Fact TankJanuary 3, 2014

Republicans’ views on evolution

Significantly fewer Republicans believe in evolution than did so four years ago, setting them apart from Democrats and independents. But behind this finding is a puzzle: If the views of the overall public have remained steady, and there has been little change among people of other political affiliations, how do you account for the Republican numbers? An explainer.

Fact TankNovember 25, 2013

Study: Having daughters makes parents more likely to be Republican

Two sociologists have found that parents who have daughters are more inclined to support the GOP and turn a cold shoulder to Democrats.