U.S. Senate · Massachusetts

Sen. Elizabeth Warren

Democrat Serving since Jan. 3, 2013Term ends Jan. 3, 2031Missed 2% of votes (14 of 915) · How this is measured

Where they sit

Seated by voting record in the Senate. Percentiles run from 0 (most liberal) to 100 (most conservative).

How this is measured →
Warren
← Most liberalThe aisleMost conservative →
Votes with DemocratsCrosses party linesVotes with Republicans

Elizabeth Warren's seat is marked. Seats run from most liberal (left) to most conservative (right). Color shows how often each member crosses party lines toward the middle on votes that divide the parties: solid blue or red means almost never, and purple means on at least 1 in 10 of those votes. Gray seats are members too new to score. How this is measured

All of Congress0thpercentile
More liberal than 99% of all members of Congress.
Most liberalMost conservative
2nd most liberal of 531
Democrats in Congress0thpercentile
More liberal than 99% of Democrats in Congress.
Most liberalMost conservative
2nd most liberal of 259
The Senate0thpercentile
More liberal than 100% of Senate members.
Most liberalMost conservative
Most liberal of 100

This score measures who votes with whom. A member who votes no because a bill goes too far, or not far enough, can look more moderate than their views.

With their party and with the President

How this is measured →
Votes with own party
100%
Q1 2025: 100% → Q3 2026: 100%

Higher than 40 of 47 Senate Democrats.

Actual100%
Expected99%
DifferenceAbout the same

Expected is the typical score for senators of the same party whose states voted like this one for president in 2024.

Democrats Republicans 65%100%

Each line is one Senate member, grouped by party. The dot is Elizabeth Warren. The dark line is what we'd expect given how this state voted for president in 2024.

On 826 votes that split the partiesReal votes only: 100%See the 826 votes
How this is measured
Votes with the President
1%all votes
Q1 2025: 4% → Q3 2026: 0%

Lower than 45 of 47 Senate Democrats.

Actual1%
Expected4%
Difference−3 pts

Expected is the typical score for senators of the same party whose states voted like this one for president in 2024.

Democrats Republicans 0%100%

Each line is one Senate member, grouped by party. The dot is Elizabeth Warren. The dark line is what we'd expect given how this state voted for president in 2024.

Based on 303 votes1% on legislation onlySee the 303 votes
How this is measured

Where they broke ranks

Votes where Elizabeth Warren went against most of their party or against the President's stated position.

Every vote

Every roll call in the Senate this Congress, with how Elizabeth Warren voted, how their party voted and the President's position.

How this is measured
DateVoteTheir voteMost of their partyPresident wantedResult
Loading…

A dash means the parties didn't split on that vote, or the President took no public position before it. “Party-line” and “President took a position” list exactly the votes each score counts: the ones cast Yes or No. Missed votes don't count either way and are under “Missed”.

Votes most like

Elizabeth Warren and Edward J. Markey voted the same way on 100% of votes.

How Massachusetts voted for president in 2024

Harris 61.6%Trump 36.2%

Issue by issue

How often Elizabeth Warren votes with their party, and with the President, on each kind of issue. Issues are the policy areas Congress assigns to each bill. "With their party" counts only votes where most Democrats and most Republicans voted on opposite sides; "With the President" counts only votes where he took a public position first.

Elizabeth Warren sides with their party least often on Armed Forces and National Security (90%).

Elizabeth WarrenAverage for Senate Democrats
  1. Armed Forces and National Security 90%Average 97% · 10 votes on Armed Forces and National Security
  2. Economics and Public Finance 100%Average 98% · 184 votes on Economics and Public Finance
  3. Nominations 100%Average 94% · 436 votes on Nominations
  4. International Affairs 100%Average 93% · 31 votes on International Affairs
  5. Immigration 100%Average 95% · 34 votes on Immigration
  6. Environmental Protection 100%Average 99% · 18 votes on Environmental Protection
  7. Finance and Financial Sector 100%Average 87% · 19 votes on Finance and Financial Sector
  8. Public Lands and Natural Resources 100%Average 99% · 14 votes on Public Lands and Natural Resources
  9. Energy 100%Average 98% · 13 votes on Energy
  10. Government Operations and Politics 100%Average 99% · 13 votes on Government Operations and Politics
  11. Congress 100%Average 100% · 13 votes on Congress
  12. Transportation and Public Works 100%Average 100% · 12 votes on Transportation and Public Works
  13. Foreign Trade and International Finance 100%Average 100% · 6 votes on Foreign Trade and International Finance
  14. Taxation 100%Average 77% · 7 votes on Taxation

Fewer than 5 party-line votes, so not charted: Sports and Recreation (4 votes), Health (4 votes), Emergency Management (2 votes), Science, Technology, Communications (2 votes), Education (2 votes), Crime and Law Enforcement (1 vote), Families (1 vote).

Bipartisan bills led

0 passed their chamber · 0 became law

How this is measured →
How far each bill got:IntroducedPassed one chamberPassed both chambersBecame law

Contact and committees

Contact

D.C. office phone
202-224-4543
Office
311 Hart Senate Office Building Washington DC 20510
Official website
www.warren.senate.gov
Contact form
www.warren.senate.gov

Committees

  • Committee on Banking, Housing, and Urban Affairs Ranking member
    6 subcommittees
    • Digital Assets Ex officio
    • Economic Policy Ex officio
    • Financial Institutions and Consumer Protection Ex officio
    • Housing, Transportation, and Community Development Ex officio
    • National Security and International Trade and Finance Ex officio
    • Securities, Insurance, and Investment Ex officio
  • Committee on Armed Services
    3 subcommittees
    • Personnel Ranking member
    • Readiness and Management Support
    • Strategic Forces
  • Committee on Finance
    3 subcommittees
    • Health Care
    • International Trade, Customs, and Global Competitiveness
    • Taxation and IRS Oversight
  • Special Committee on Aging

Committee data: the congress-legislators project (public domain), refreshed with every update. Chair and ranking-member roles as published there.

Votes: Voteview (UCLA). Bills: Congress.gov. President's positions: our public list. 2024 results by district: The Downballot. How this is measured · Corrections

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