FiveThirtyEight uses statistical analysis - hard numbers - to tell compelling stories about elections, politics and American society.

Sometimes statistical analysis is tricky, and sometimes a finding just jumps off the page. Here’s one example of the latter.

Odds may not sum to 100 percent due to rounding and third-party candidates. CORRECTION (Aug. 17, 2018, 5:45 p.m.): The first name of Rep. Mark Pocan of Wisconsin was misspelled in an earlier version ...

Editor’s note: This is the first in a series of six pieces that show how professional sports owners in America contribute to political campaigns, why they spend millions in the space and what that ...

Apportionment, or the process of determining the number of seats each state has in the U.S. House of Representatives, happens like clockwork at this point. Every 10 years, the Census Bureau counts how ...

Kenny Michelena is, by just about any measure, a tough guy. He was born and raised on a ranch in rural northwestern Wyoming and remembers that after class in elementary school, the bus driver would ...

One of my least favorite questions is: “Did Russian interference cost Hillary Clinton the 2016 election?” The question is newly relevant because of special counsel Robert Mueller’s indictment of 13 ...

I’m not that impressed by long-term projections of Democratic doom in the Senate. Mostly that’s because I’m not that impressed by long-term political projections in general. Political coalitions ...

Vote margin calculated based on the two-party vote, which uses just the Democratic and Republican vote totals. Together, the share of the statewide vote and the benchmark margins produce a 50-50 tie, ...

All market ratings are adjusted for projected population growth through 2040. Popularity measured by Google Trends. Sources: Zach Miller, Google Trends, The New York Times, CollegeRaptor.com, ...

Election Day is finally here. Soon enough, returns will start rolling in — and we’ll have a ton of data to sift through. But what should you pay attention to? I’ve broken down the presidential and ...

Throughout the midterms, I think we saw issues that hadn’t been on many people’s radar matter when those rights looked to be under threat. The Supreme Court overturning Roe v. Wade played a major role ...