Senate Democrats choose their leader themselves. The voters are the senators in the Democratic caucus, including newly elected senators who haven't been sworn in yet. They vote by secret ballot at a closed meeting, and the winner needs a simple majority. The public doesn't vote, and neither does the full Senate (Fox News; Roll Call).

That's why the incoming senators who say they won't back Chuck Schumer matter. Once they're seated in that meeting, each of them gets a vote. Each one is also a small share of a much larger group.

Who gets a vote?

Every member of the Democratic caucus gets a vote. That includes the senators-elect who won this month. Roll Call reports that senators-elect will take part in the leadership election. So Annie Andrews of South Carolina, who said it's "time for a generational change", will have a ballot even though her term hasn't started.

Two groups are less clear:

  • Independents who caucus with Democrats. In past practice they have voted, but we couldn't confirm the rule from a primary source.
  • Sherrod Brown. He won a special election in Ohio and is expected to be seated before the end of 2026. Senators-elect take part in the vote, so he would likely be included either way. Sources don't say whether he would vote as a sitting senator or as a senator-elect.

How many votes does Schumer need?

He needs a simple majority of the caucus. After the midterms, that caucus is projected at 54 to 56 members:

  • With 54 or 55 senators, a majority is 28.
  • With 56 senators, it's 29.

The final number depends on races still being counted.

Now count the people who have said no. Besides Andrews, Roll Call lists Troy Jackson of Maine, Adam Hamilton of Kansas, Juliana Stratton of Illinois, Peggy Flanagan of Minnesota and Abdul El-Sayed of Michigan as incoming Democrats who won't support him or want new leadership. That's six people. To stop him, opponents would need roughly half the caucus, which means many sitting senators would have to join them. So far the sitting senators quoted have backed him. Sen. Sheldon Whitehouse argued that winning the majority earns Schumer another term.

Why does it matter that no one is running against him?

A leadership vote is a choice between candidates, so you can't vote against someone without voting for someone else. Fox News congressional reporter Chad Pergram puts the first rule of these races as "you can't beat someone with no one."

At the moment there is no one else. Chris Van Hollen is the name most often mentioned. El-Sayed has said he'd back him. But Van Hollen has said he's considering a run for president, not for majority leader, and no other challenger has come forward. No Democrat has said they'll run, and Schumer told the New York Times he doesn't expect a challenge.

Without a rival, a senator who campaigned against Schumer has few ways to show it. Former Democratic leader Tom Daschle predicted that no one will challenge Schumer. He also said some new members may withhold their votes so they keep their campaign promises.

When is the vote?

Roll Call says it will likely be in early December 2026. The exact date hasn't been announced. The new Congress, the 120th, convenes by default on Jan. 3, 2027.

For comparison, the last time the caucus picked its leader was Dec. 3, 2024. That day Democrats unanimously reelected Schumer for the fifth straight time, even though they had just lost four seats.

Will we know who voted against him?

Maybe not. Because the ballot is secret, senators who promised to oppose Schumer could say they did, and no one could check.

The vote count might not come out either. In 2016 and 2024, the result was reported only as unanimous, with no tally. It's unclear whether a protest this year would show up as votes for someone else, as abstentions, or not at all.

Is "majority leader" an official Senate job?

Not in the way most people assume. The Constitution doesn't create Senate party leaders. Democrats began electing leaders in 1889. These are party positions, not Senate offices. That's why, according to the Congressional Research Service, the choice of floor leader often went unrecorded in official congressional documents.

The formal title is a little different from the one in the news. Democrats call the post "Chairman of the Conference". For Senate Democrats, the floor leader and the conference chair are the same person. Senate Republicans have required separate people in those roles since 1945. So whoever wins in December gets two jobs: leading the party on the Senate floor and running the caucus itself.

Have secret ballots ever produced surprises?

Yes, at least once in a notable way. In January 1971, Robert Byrd beat Ted Kennedy 31–24 for Democratic whip in a secret vote. Byrd got three more votes than he'd expected, and he was helped by a proxy vote from the dying Sen. Richard Russell. Byrd also had a real campaign and an opponent to vote against.

Contested races for the top job have happened too. In 1988, George Mitchell won a three-way secret ballot against Daniel Inouye and Bennett Johnston to succeed Byrd as leader. Experience isn't a requirement for the job either. Lyndon Johnson was the most junior senator ever chosen when he became Democratic leader in 1953.

What don't we know about the rules?

Quite a lot. We couldn't find the Senate Democratic Conference's written rules in any public source. The Democratic caucus rules that come up in searches belong to the House, not the Senate. That leaves several questions open:

  • whether there are nominating speeches
  • what happens if no one wins a majority on the first ballot
  • whether proxy votes like Russell's in 1971 are still allowed
  • whether the caucus can skip the ballot and reelect a leader by acclamation

Even the historical record has gaps. The CRS says records of 19th-century Senate party conferences are unavailable. For now, what's known comes from reporters and former members describing how the vote usually works. Short of an actual challenger, that's how it will most likely work again in December.