Democratic voters and the road to nominating Hillary Clinton
Hillary Clinton led the field for the Democratic nomination from the beginning of the campaign in early 2015 on her road to becoming the party’s nominee.
Republican voters’ path to backing Donald Trump
Donald Trump’s rise to become the Republican Party’s presidential nominee followed a lengthy primary campaign.
Political Polarization, 1994-2015
Two years ago, Pew Research Center found that Republicans and Democrats were more divided along ideological lines than at any point in the previous two decades.
Public Trust in Government: 1958-2015
Public trust in the government remains near historic lows. Only 19% of Americans today say they can trust the government in Washington to do what is right “just about always” (3%) or “most of the time” (16%).
Gun Rights vs. Gun Control
The Pew Research Center has tracked shifting public opinion on gun rights and gun control over the past 20 years. Explore our polling data to discover how demographics influence public opinion on guns.
Quiz: Test Your News Knowledge
Take our latest News IQ quiz and see how you compare to the others who answered the questions as part of a national survey.
Views of Legalizing Marijuana, 1969-2015
Public opinion on legalizing marijuana. Explore trends by gender, generation, and partisanship.
Party Identification Trends, 1992-2014
Pew Research Center has been tracking the party affiliation of the general public for over 20 years. Explore the party ID data for two dozen demographic subgroups, categorized by gender, race, education, generation, and religious affiliation.
Trends in Party Identification, 1939-2014
For more than 70 years, with few exceptions, more Americans have identified as Democrats than Republicans. But the share of independents, which surpassed the percentages of either Democrats or Republicans several years ago, continues to increase.
Women in Congress, 1916 – 2015
The 114th U.S. Congress includes a record 108 women — 88 in the House (including four nonvoting delegates) and 20 in the Senate. While women still account for only about a fifth of each chamber, that’s a considerable increase from where things stood not too long ago.