Publications

In both legislative chambers, members’ ideology is a strong predictor of the number of people who follow them on Facebook.

The growing prevalence of cellphones comes as the typical American household now contains a wide range of connected devices.

Americans are increasingly likely to make political donations, with the share of adults who say they have donated directly to candidates doubling since 1992.

A conversation with the director of the Center's Data Labs team on their new report on congressional communications and the uses and misuses of "big data."

A new analysis of more than 200,000 press releases and Facebook posts from the official accounts of members of the 114th Congress uses methods from the emerging field of computational social science to quantify how often legislators themselves “go negative” in their outreach to the public.

There hasn't been a seriously contested nominating convention in decades, and a look at history helps explain why: Candidates who needed multiple ballots to get nominated usually didn't go on to win the White House.

A Pew Research Center analysis of the most visited pages in each language in 2015 tells a story about how the various versions are used.

There's more money in the political system than at any time since the reforms of the 1970s, a trend that concerns most Americans regardless of party or ideology.

Analysis of over 1 million apps in Google’s Android operating system in 2014 shows apps can seek 235 different kinds of permissions from smartphone users. The average app asks for five permissions.

We've confirmed the identities of 36 members of the caucus, and they are among the most conservative and recently elected of Republican representatives.