House Republican cohesion ticked up just slightly last year, from a historically bad 2023, while Senate Democrats saw record success on votes that split the parties as both chambers dealt with narrow margins that left diminishing room for dissent.

The Senate maneuvered past a procedural hurdle on its preferred Trump budget bill after leapfrogging the House Republicans, who were expected to take the lead on the process.

Senate Republicans are set to vote on their budget resolution this week as the chamber makes its move toward enacting a big chunk of President Trump’s agenda. Senate Majority Leader John Thune (R-S.D.