“The Party Decides,” the 2008 book by the political scientists Marty Cohen, David Karol, Hans Noel and John Zaller, has probably been both the most-cited and the most-maligned book of this election ...

If you’re one of the approximately 320 million Americans who don’t live in New York City, it might seem like its Democratic mayoral primary has gotten an outsized amount of media coverage. But even I, ...

With less than a year to go before the election, FiveThirtyEight’s staff members took a detailed look at seven issues we cover regularly, examining the positions of the presidential candidates and ...

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 ...

Brooklyn’s Big Three of Kyrie Irving, James Harden and Kevin Durant have barely shared the court this season. There’s just one catch for the Nets: Their top-scoring trio — the one that has generated ...

Since Donald Trump effectively wrapped up the Republican nomination this month, I’ve seen a lot of critical self-assessments from empirically minded journalists — FiveThirtyEight included, twice over ...

As we watch Michael Jordan vanquish each of his contemporaries in ESPN’s “The Last Dance” — which wraps up with its final two episodes on Sunday — it’s hard not to imagine the best of today’s game ...

But trying to distinguish the effects of only one type of restriction, like voter ID requirements, is challenging because a new election law rarely changes only one voting provision. “The actual ...

The police response to the insurrection at the U.S. Capitol, in which at least 39 law enforcement officers participated, has renewed conversation about racial bias and links to white supremacist ...

Once statistics for an NBA game have been collected, their lifespan of usefulness is only just beginning. Players rely on them to hone skill development; teams leverage them for game-planning and ...

The principles behind our House, Senate and gubernatorial forecasts should be familiar to our longtime readers. They take lots of polls, perform various types of adjustments to them, and then blend ...

When the new Congress comes into session in January, there will be more Black Republicans serving together on Capitol Hill than at any point since 1877. The number? Five. 1 For years, Republicans have ...