Joseph I. Lieberman
Senator for Connecticut · Democrat
Born 1942 · Died 2024
When Joseph I. Lieberman changed parties
- Democrat → IndependentListed as Independent starting with the Senate term that began January 4, 2007. Their term before that was as a Democrat.No explanation in their own words is on file here yet.
Dates and parties: congress-legislators, checked October 27, 2026. Reasons are shown only in the member's own words from an official record, and are never summarized by us.
Joseph I. Lieberman
- S. 3696 · New Columbia Admission Act December 19, 2012 · In committee
- S. 3695 · EACH Act December 19, 2012 · In committee
- S.Res. 621 · A resolution condemning the horrific attacks in Newtown, Connecticut, and expressing support and prayers for … December 17, 2012 · Passed Senate
- S.Res. 613 · A resolution urging the governments of Europe and the European Union to designate Hizballah as a terrorist or… December 11, 2012 · Passed Senate
- S. 3625 · A bill to change the effective date for the internet publication of certain information to prevent harm to th… September 22, 2012 · Public Law 112-178
4 terms
| Chamber | Represents | Party | Term dates |
|---|---|---|---|
| Senate | Connecticut | Independent | January 4, 2007 – January 3, 2013 |
| Senate | Connecticut | Democrat | January 3, 2001 – January 3, 2007 |
| Senate | Connecticut | Democrat | January 4, 1995 – January 3, 2001 |
| Senate | Connecticut | Democrat | January 3, 1989 – January 3, 1995 |
Source: congress-legislators, a public-domain record of every member of Congress, checked October 27, 2026.
- Article I, Section 1 — all legislative powers are given to Congress
- Article I, Section 3, Clause 1 — how senators are chosen (changed by the 17th Amendment)
- Article I, Section 8, Clause 1 — the powers of Congress
What they did most recently
The member's own vote on each House or Senate roll call.
Ideology, measured from every vote they cast
DW-NOMINATE first dimension (Voteview, UCLA), shown against the 112th Congress Senate.
Every roll-call vote on file
Select any row to open that measure's file. The Print button prints that vote.
Record timeline
· Roll-call votes
Voted Yea — On Passage of the Bill: H.R. 8 (Senate Vote 251 (112th Congress, 2nd Session)). Result as recorded: Bill Passed
· Roll-call votes
Voted Yea — On the Nomination: PN 1064 (Senate Vote 250 (112th Congress, 2nd Session)). Result as recorded: Nomination Confirmed
· Roll-call votes
Voted Yea — On the Nomination: PN 1354 (Senate Vote 249 (112th Congress, 2nd Session)). Result as recorded: Nomination Confirmed
· Roll-call votes
Voted Yea — On Passage of the Bill: H.R. 1 (Senate Vote 248 (112th Congress, 2nd Session)). Result as recorded: Bill Passed
· Roll-call votes
Voted Nay — On the Amendment: H.R. 1 (Senate Vote 247 (112th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Yea — On the Motion: H.R. 1 (Senate Vote 246 (112th Congress, 2nd Session)). Result as recorded: Motion Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 1 (Senate Vote 245 (112th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 1 (Senate Vote 244 (112th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 1 (Senate Vote 243 (112th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 1 (Senate Vote 242 (112th Congress, 2nd Session)). Result as recorded: Amendment Rejected
Open the full record timeline Download this timeline
- Bills cosponsored: No official record has been found at this time. We are watching for updates.
- Committee assignments: No official record has been found at this time. We are watching for updates.
- Floor remarks (Congressional Record): No official record has been found at this time. We are watching for updates.
- Campaign finance (FEC): No official record has been found at this time. We are watching for updates.
- Lobbyist contribution reports: No official record has been found at this time. We are watching for updates.
- Court and ethics records: No official record has been found at this time. We are watching for updates.
Each entry is a record we hold from an official source, dated and worded as that record states it, with a link to the official government page. Records without an official link are not listed.
Recorded positions over time
On 9 measures the recorded Yea or Nay differs between two votes. On 138 measures the recorded position is the same across two or more votes.
Different questions on the same bill can lead to different votes. Read each question before drawing a conclusion.
Last 96 roll calls
Votes cast by year
Financial disclosures and stock trades
Joseph I. Lieberman’s financial disclosure reports and STOCK Act trade reports are published by Congress. Search them yourself on the official sites: House financial disclosures (Clerk of the House) ↗ and Senate financial disclosures (Secretary of the Senate) ↗. Power & Politics does not copy or republish these reports.
Court cases naming this member in their official role
Federal cases whose public caption explicitly names this person as a United States senator or representative in an official capacity, during a term recorded in this file. The date on each line is the date of that record, not necessarily the day the case was filed. Being named in an official-capacity case is not a finding about the person, and nothing here says who won. Personal matters are left out entirely.
We have not found a public court record that clearly names this person in their official role, matches the dates they held office, and comes from a court we can follow. That does not mean no case exists. It means we have no qualifying record to show here.
Case records come from each court's own docket and from the United States Courts Opinions collection published by the Government Publishing Office. Select any case to open the official record. Search another politician or see sources and methodology.
Voting records reproduced from the official Journals of the House and Senate (compiled by Voteview, UCLA) · each measure's file links its official government record · sources & methodology · data as of October 28, 2026