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

U.S. PoliticsSeptember 21, 2016

Presidential approval a stronger indicator of voter choice than satisfaction with the country

When it comes to who people plan to vote for, presidential approval is a much stronger indicator than satisfaction with the state of the nation.

U.S. PoliticsSeptember 15, 2016

Educational divide in vote preferences on track to be wider than in recent elections

The contest for president between Hillary Clinton and Donald Trump is marked by an educational divide that is far wider than in past elections.

U.S. PoliticsSeptember 13, 2016

The Parties on the Eve of the 2016 Election: Two Coalitions, Moving Further Apart

Ahead of the presidential election, the demographic profiles of the Republican and Democratic parties are strikingly different.

U.S. PoliticsSeptember 7, 2016

House seats rarely flip from one party to the other

Big partisan shifts in the House of Representatives happen, but not often. In only three of the past 12 election cycles has one party posted a net gain of more than 30 seats, and on average 93% of House members who seek re-election are voted back into office.

U.S. PoliticsSeptember 2, 2016

For many voters, it’s not which presidential candidate they’re for but which they’re against

A significant share of both Hillary Clinton and Donald Trump supporters say their vote is based more on which candidate they are against rather than which one they are for.

U.S. PoliticsAugust 19, 2016

Trump supporters far less confident than Clinton backers that votes will be counted accurately

Just 11% of Trump supporters are highly confident that votes across the country will be accurately counted.

U.S. PoliticsJuly 5, 2016

5 facts about America’s political independents

The share of independents in the U.S. stands at its highest point in more than 75 years of public opinion polling. However, a substantial majority of them have not fully declared their independence from the two major parties, with most saying they “lean” toward one or the other.

U.S. PoliticsJuly 1, 2016

How the public views the secret to America’s success

Compared with many other countries in the world, Americans stand out for their patriotism. But surveys show that Americans disagree over what’s behind their country’s success.

U.S. PoliticsJune 27, 2016

Partisanship in the U.S. isn’t just about politics, but how people see their neighbors

31% of Democrats and 27% of Republicans say it would be harder to get along with a new neighbor from the other party.

U.S. PoliticsJune 22, 2016

Partisanship and Political Animosity in 2016

The 2016 campaign is unfolding against a backdrop of intense partisan division and animosity. Partisans’ views of the opposing party are now more negative than at any point in nearly a quarter of a century.