The Affordable Care Act
The Affordable Care Act expanded health coverage through insurance marketplaces, subsidies and a Medicaid expansion. It was written into H.R. 3590, a House bill that began as an unrelated tax measure. Every recorded final vote split along party lines.
Resulting law: Patient Protection and Affordable Care Act (Pub. L. 111-148)

From event to law
Who voted for the Affordable Care Act? Open any vote below to see every legislator.
- VoteOctober 8, 2009
House passes the shell bill
H.R. 3590 passes the House as a homebuyer tax credit bill for service members.
House, 111th Congress, roll call 768 · H.R. 3590
- VoteDecember 24, 2009
Senate passes the health care bill
The Senate replaces the text of H.R. 3590 with its health care bill.
Senate, 111th Congress, roll call 396 · H.R. 3590
- VoteMarch 21, 2010
House passes the Senate bill
The House agrees to the Senate version.
House, 111th Congress, roll call 165 · H.R. 3590
- LawMarch 23, 2010
Signed
President Obama signs the Patient Protection and Affordable Care Act.
- CourtJune 28, 2012
NFIB v. Sebelius
The Supreme Court upholds the individual mandate as a tax and makes the Medicaid expansion optional for states.
Look up the votes
- The House vote that sent it to the President (34 Democrats and all Republicans voted no)
- Every senator's vote
Party labels are those used at the time of the vote. The parties' coalitions and positions have changed over time, so a party name in 1864 or 1919 does not map directly onto the party today.
Sources
- Voting On: full law page for H.R. 3590
- Congress.gov: H.R. 3590 (111th)
- Voteview: Congressional Roll-Call Votes Database (vote tallies and member votes)
Tallies count members recorded as voting yea or nay. Official counts printed at the time can differ by a vote or two because of pairs and later corrections.