U.S. Senate · Louisiana

Sen. Bill Cassidy

Republican Serving since Jan. 6, 2015Term ends Jan. 3, 2027
Compare Official website ↗
Votes with own party 98% About as expected Lower than 43 of 53 Senate Republicans Votes with the President 98% About as expected 94% on legislation only Bipartisan bills led 102 More than 93% of Senate members Liberal-to-conservative rank 68thpercentile in all of Congress · 37th percentile among Republicans

Where they sit

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

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

Bill Cassidy'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 Congress68thpercentile
More conservative than 67% of all members of Congress.
Most liberalMost conservative
172nd most conservative of 531
Republicans in Congress37thpercentile
More liberal than 63% of Republicans in Congress.
Most liberalMost conservative
101st most liberal of 272
The Senate67thpercentile
More conservative than 66% of Senate members.
Most liberalMost conservative
34th most conservative 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
98%
Q1 2025: 99% → Q3 2026: 98%

Lower than 43 of 53 Senate Republicans.

Actual98%
Expected98%
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 Bill Cassidy. The dark line is what we'd expect given how this state voted for president in 2024.

On 797 votes that split the partiesReal votes only: 97%See the 797 votes
How this is measured
Votes with the President
98%all votes
Q1 2025: 100% → Q3 2026: 96%

Lower than 47 of 53 Senate Republicans.

Actual98%
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 0%100%

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

Based on 294 votes94% on legislation onlySee the 294 votes
How this is measured

Where they broke ranks

Votes where Bill Cassidy 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 Bill Cassidy voted, how their party voted and the President's position.

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

Bill Cassidy and John Kennedy voted the same way on 97% of votes.

Louisiana

Louisiana's delegation →

How Louisiana voted for president in 2024

Harris 38.2%Trump 60.2%

Contact

Phone
202-224-5824
Office
455 Dirksen Senate Office Building Washington DC 20510
Contact form
www.cassidy.senate.gov

Issue by issue

How often Bill Cassidy 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.

Bill Cassidy sides with their party least often on Immigration (79%) and International Affairs (83%).

Bill CassidyAverage for Senate Republicans
  1. Immigration 79%Average 96% · 34 votes
  2. International Affairs 83%Average 97% · 30 votes
  3. Armed Forces and National Security 90%Average 95% · 10 votes
  4. Finance and Financial Sector 95%Average 97% · 19 votes
  5. Economics and Public Finance 98%Average 96% · 172 votes
  6. Nominations 100%Average 100% · 422 votes
  7. Public Lands and Natural Resources 100%Average 99% · 15 votes
  8. Environmental Protection 100%Average 100% · 17 votes
  9. Energy 100%Average 100% · 13 votes
  10. Government Operations and Politics 100%Average 99% · 13 votes
  11. Transportation and Public Works 100%Average 100% · 12 votes
  12. Congress 100%Average 100% · 12 votes
  13. Foreign Trade and International Finance 100%Average 94% · 6 votes
  14. Taxation 100%Average 99% · 6 votes

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

6 passed their chamber · 1 became law

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

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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