Legislation

Where Bills Go to Die

Almost every bill introduced in Congress never becomes law. Here is the shape of the funnel.

By Dallas AI Metrics, LLC · Analysis as of 2026-08-04 · Computed from 440 roll calls across 526 members · Methodology

Introducing a bill is easy. Any member can drop one in the hopper on any day, on any subject, for any reason — to advance a policy, to satisfy a constituency, to stake out a position, or to have something to point at in a newsletter. Passing one is extraordinarily hard.

The gap between those two facts is the single most under-appreciated feature of American lawmaking, and it is measurable.

19,545
Bills tracked across both chambers
289
Signed into law
1.5%
Share that became law

The shape of the funnel

Every tracked bill sits at some furthest stage it has reached. Most never move past the first. A bill is referred to committee on introduction, and for the overwhelming majority, that is where the story ends — not because it was rejected, but because it was never taken up at all. No vote, no debate, no formal decision. It simply expires when the Congress does.

The stages that follow narrow sharply. Being reported out of committee is already an achievement that most bills never reach. Passing one chamber is rarer still. Passing both and being signed into law is the exception by an enormous margin.

Where each tracked bill currently stands. A bill counted at one stage has not reached the next.
Furthest stage reachedBillsShare
Introduced18,63795.35%
Reported6083.11%
Passed House50.03%
Signed into law2891.48%
Failed60.03%

Why "died in committee" is usually the wrong phrase

The conventional description of a stalled bill is that it "died in committee," which implies a decision was made. Usually none was. Committees receive far more referrals than they could possibly process, and the chair's control over the agenda means most bills are never scheduled for consideration in the first place.

This distinction matters for interpreting a member's record. A bill that got no hearing tells you almost nothing about whether the idea had support. It may have been a serious legislative effort that ran out of calendar, a message bill introduced without any expectation of movement, or a proposal that was quietly absorbed into a larger package under someone else's name.

The absorption problem

That last case deserves emphasis, because it is the largest single caveat on everything in this piece. Provisions routinely migrate. Language introduced as a standalone bill frequently ends up inside an appropriations package, a defence authorisation, or an omnibus — and when it does, the original bill still shows as "Introduced" forever, even though its substance became law.

The survival rate below is therefore a floor, not a true measure of legislative effectiveness. A member whose ideas consistently get folded into larger vehicles will look unproductive by this measure while being unusually effective in practice. There is no reliable automated way to trace that absorption, so we do not attempt to, and no figure here should be read as a ranking of who gets things done.

What the rate does tell you

Read as a statement about the institution rather than about individuals, the survival rate is genuinely informative. It shows that the legislative process is overwhelmingly a filtering mechanism, and that the filter operates almost entirely before anything reaches a vote.

It also reframes what floor activity represents. By the time a bill is being voted on, it has already survived a selection process that eliminated the vast majority of its peers. Roll call votes are not a sample of what Congress considers — they are a sample of what leadership decided was worth considering publicly.

Counting rules

A few decisions shape the numbers, and they are worth stating plainly.

  • Bills are counted per sponsoring member as they appear in each member's record, so a bill with a sponsor in each chamber can appear in both chambers' totals.
  • Resolutions are included alongside bills. Simple and concurrent resolutions do not become law by design, which drags the overall rate down; they are part of legislative output and are not separated out here.
  • "Signed into law" is taken from the official action text. Bills that became law without a signature are rare and are not distinguished.
  • The window is the current tracked period, not all of history. A bill introduced late in a session has had less time to move than one introduced early, and the snapshot does not adjust for that.

Full details of every rule applied across this section are in the methodology.