Maryland Democratic Senator Chris Van Hollen has confirmed he will challenge Senate Minority Leader Chuck Schumer, D-N.Y., for the post of Democratic leader and incoming majority leader in the Senate, a move that exposes growing strain within the party after a strong midterm showing. Van Hollen, who has become a progressive favourite among those opposed to Schumer's bid for another term at the top of the caucus, announced his candidacy in a statement framing the result as a mandate for change.

In that statement, Van Hollen said the American people had called for a change from Donald Trump's policies and from a status quo he argued was not working for working people. "This is not about any one person – it's about answering the call of the American people. That is why I'm running for Senate Majority Leader," he said. Van Hollen, 67, has served in Congress for 23 years, first in the House before moving to the Senate in 2017. Schumer, 75, has been an elected official since 1981.S2

The challenge follows a listening tour with Senate Democrats and comes after Van Hollen had earlier spoken of "kicking the tires" on a 2028 presidential run. Since arriving in the Senate he has positioned himself on Schumer's left flank, and earlier this week he openly criticised the longtime leader for having chosen the crypto industry and the American Israel Public Affairs Committee (AIPAC) over progressive candidates who went on to win in the midterm cycle.S2

Schumer has pushed back, writing on X that he welcomed discussion about the caucus's future and was proud of what the party had accomplished, pointing to 55 seats as an amazing result. He said he had the votes to keep serving as Democratic Leader and looked forward to leading the new Democratic majority.S2