Tammy Duckworth
U.S. Senator, Illinois · Democrat
Tammy Duckworth (D-IL) voted with the Democratic majority on 98.4% of the 786 party-line votes cast in the 119th Congress through Sept. 30, 2026, and against it 13 times. Among 45 Senate Democrats with at least 50 such votes, that is the 32nd-lowest score. Missed 60 of 915 roll calls (6.6%).
Source: Voteview roll-call data for the 119th Congress (through Sept. 30, 2026), files updated . A party-line vote is one where most voting Democrats opposed most voting Republicans. Voteview profile · Congress.gov
By party
| As | Period | Party-line score | Votes with own party |
|---|---|---|---|
| Democratic | Jan. 9, 2025 – Sept. 30, 2026 | 98.4% | 773 of 786 |
Votes against the Democratic majority
The 13 most recent of 13 party-line votes on which Tammy Duckworth voted against the Democratic majority.
| Date | Measure | Vote |
|---|---|---|
| Aug. 7, 2026 | H.R. 5334 To strike the provision relating to duties on countries that purchase Russian-origin crude oil or natural gas or facilitate sanctions evasion. On the Amendment · Amendment Rejected |
Nay Democrats: Yea |
| Feb. 4, 2026 | PN 72612 Aaron Christian Peterson, of Alaska, to be United States District Judge for the District of Alaska On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| Dec. 17, 2025 | PN 6452 Douglas Weaver, of Maryland, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2026 On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| Dec. 17, 2025 | PN 6452 Douglas Weaver, of Maryland, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2026 On the Cloture Motion · Cloture Motion Agreed to |
Yea Democrats: Nay |
| Nov. 19, 2025 | PN 4456 Ho Nieh, of Alabama, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2029 On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| Nov. 18, 2025 | PN 4456 Ho Nieh, of Alabama, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2029 On the Cloture Motion · Cloture Motion Agreed to |
Yea Democrats: Nay |
| June 30, 2025 | H.R. 1 To prohibit the use of Defense Production Act of 1950 funds without the approval of Congress. On the Motion · Motion Rejected |
Nay Democrats: Yea |
| June 3, 2025 | PN 2216 Dale Marks, of Florida, to be an Assistant Secretary of Defense On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| April 29, 2025 | PN 545 David Perdue, of Georgia, to be Ambassador to the People's Republic of China On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| April 28, 2025 | PN 545 David Perdue, of Georgia, to be Ambassador to the People's Republic of China On the Cloture Motion · Cloture Motion Agreed to |
Yea Democrats: Nay |
| April 8, 2025 | PN 2514 George Glass, of Oregon, to be Ambassador to Japan On the Cloture Motion · Cloture Motion Agreed to |
Yea Democrats: Nay |
| March 25, 2025 | PN 138 Michael Kratsios, of South Carolina, to be Director of the Office of Science and Technology Policy On the Nomination · Nomination Confirmed |
Yea Democrats: Nay |
| March 25, 2025 | PN 138 Michael Kratsios, of South Carolina, to be Director of the Office of Science and Technology Policy On the Cloture Motion · Cloture Motion Agreed to |
Yea Democrats: Nay |
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