Congressional Glossary
What is an omnibus bill?
An omnibus bill packages many separate measures, often all or most of the government's annual spending bills, into one giant bill that passes or fails on a single vote.
In one sentence
An omnibus bill packages many separate measures, often all or most of the government's annual spending bills, into one giant bill that passes or fails on a single vote.
What an omnibus bill is
Omnibus is Latin for "for everything," and the name is literal. An omnibus bill bundles measures that could each stand alone, most often the annual appropriations bills, into a single package voted on once. Congress is supposed to pass 12 separate appropriations bills every year. When it cannot, and lately it usually cannot, the unfinished bills get stapled together and move as one (senate.gov).
Why Congress builds them
Bundling solves a scheduling problem and a political one. One bill means one floor fight, one filibuster to break in the Senate, and one presidential signature, usually against a government funding deadline that makes a no vote expensive. The package structure also lets leaders balance wins and losses across parties in a single deal. Nobody loves everything in an omnibus, and nearly everyone can point to something. There is a defensive logic too: a modest provision folded into a must-pass package cannot be picked off by a targeted veto threat or a single bad news cycle.
What one looks like
The Consolidated Appropriations Act of 2023 is a fair sample. It ran past 4,000 pages, carried roughly 1.7 trillion dollars in discretionary spending, folded in all 12 annual appropriations bills, and picked up unrelated passengers, including an overhaul of the Electoral Count Act. The Senate passed it 68 to 29 on December 22, 2022, and the House cleared it 225 to 201 the next day, with a funding deadline hours away (congress.gov).
The case against
Members of both parties make the same complaints every year. A bill that long, released days before the vote, cannot honestly be read by the people voting on it. Provisions that could never pass alone ride through on the package. And the take-it-or-leave-it structure, backed by a shutdown clock, reduces 535 legislators to a single blunt choice. Defenders answer that the realistic alternative has not been 12 tidy bills; it has been no bills, and the omnibus is how a divided Congress finishes its one mandatory job.
Omnibus, minibus, continuing resolution
Three funding vehicles get confused. An omnibus enacts new full-year funding decisions in one giant package. A minibus does the same for a few appropriations bills at a time. A continuing resolution enacts nothing new; it extends last year's funding levels temporarily while the real bills wait. A typical funding fight cycles through all three: a stopgap buys time, minibuses move what can move, and an omnibus sweeps up the rest.
Common questions
An omnibus bill combines many separate measures, most often the government's annual appropriations bills, into one package that gets a single vote in each chamber. The 2023 Consolidated Appropriations Act, which bundled all 12 spending bills into more than 4,000 pages, is a recent example.
Because passing 12 separate appropriations bills through both chambers rarely happens on schedule. Bundling them means one debate, one Senate filibuster fight, and one signature, usually under a funding deadline. Leaders also use the package to balance concessions, since every member gets something to point to.
An omnibus enacts new full-year funding decisions in one large package. A continuing resolution is a stopgap that temporarily extends the previous year's funding levels while Congress keeps negotiating. Congress often passes one or more stopgaps first, then an omnibus to finish the fiscal year.