Bill Cassidy

Senator from Louisiana

SENATEREPUBLICAN2009–nowID C001075

LegislationHEADLINE

7%with Dems

of 4,076 votes

Nominations

6%with Dems

of 1,758 · confirmations only

All contested

7%with Dems

of 5,834 · both combined

Steepest move

−14 pts

2023 → 2025

still a Republican

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓200920152021

2025–26119th Congress

Sat as a Republican

4.6%with Democrats

legislation only

Votes for this Congress are open below

Steepest move: 2023 → 2025, −14 pts — within one party label.

Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with

Sep 17, 2026noneKasdin Miller Mitchell, of Texas, to be United States District Judge for the Northern District of TexasNOMINATIONYEAREP MAJORITY

Sep 17, 2026S. 4668A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.LEGISLATIONYEABOTH · NOT SCORED

Full textA bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.Party majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.

Where this lands

YEAVoted with both majorities — not scored

Open roll call

Sep 15, 2026S. 4668A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.LEGISLATIONYEABOTH · NOT SCORED

Sep 15, 2026H.R. 3633To provide for a system of regulation of the offer and sale of digital commodities by the Securities and Exchange Commission and the Commodity Futures Trading Commission, to amend the Federal Reserve Act to prohibit the Federal reserve banks from offering certain products or services directly to an individual, to prohibit the use of central bank digital currency for monetary policy, and for other purposes.LEGISLATIONYEAREP MAJORITY

Sep 15, 2026noneMatthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioNOMINATIONYEAREP MAJORITY

Sep 14, 2026noneMatthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioNOMINATIONYEAREP MAJORITY

Aug 8, 2026S. 5271A bill to amend the Help America Vote Act of 2002 to require voters to provide photo identification.LEGISLATIONYEAREP MAJORITY

Aug 8, 2026noneTodd Blanche, of Florida, to be Attorney GeneralNOMINATIONYEAREP MAJORITY

9 most recent roll calls shown · 788 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Economics and Public Finance9% · 1,204 votes

Congress1.4% · 707 votes

Armed Forces and National Security11.3% · 284 votes

Energy1.4% · 219 votes

Environmental Protection4.1% · 170 votes

Public Lands and Natural Resources3.3% · 151 votes

Health3.6% · 138 votes

Government Operations and Politics3% · 132 votes

Finance and Financial Sector3.1% · 131 votes

Taxation2.8% · 106 votes

International Affairs21.6% · 102 votes

Emergency Management10.3% · 97 votes

Transportation and Public Works13.5% · 89 votes

Education7.2% · 69 votes

Science, Technology, Communications20.6% · 68 votes

Agriculture and Food14.1% · 64 votes

Crime and Law Enforcement14.3% · 56 votes

Immigration13.7% · 51 votes

Labor and Employment6.7% · 45 votes

Housing and Community Development3.1% · 32 votes

Water Resources Development3.1% · 32 votes

Commerce4% · 25 votes

Foreign Trade and International Finance7.1% · 14 votes

Native Americans7.1% · 14 votes

Civil Rights and Liberties, Minority Issues9.1% · 11 votes

Social Welfare45.5% · 11 votes

Too few contested votes to score

Animals— · 7 votes

Law— · 6 votes

Sports and Recreation— · 2 votes

Families— · 1 vote

They also voted in 2 areas where the parties never split, so there is nothing to score — never on a contested question: Arts, Culture, Religion, Social Sciences and History.

Blue is the share of votes siding with the Democratic majority; the tick marks 50%.

Service record

9 Congresses

111th · 2009114th · 2015119th · 2025

Republican · House · LA111th–113th

Republican · Senate · LA114th–119th

Term datesexact

Bill Cassidy

Senator from Louisiana

SENATER2009–now9 CONGRESSES

Compare

LegislationHEADLINE

7.1%with Democrats

of 4,076 votes · 92.9% with Republicans

Nominations6%of 1,758 votes

All contested7%of 5,834 · combined

Steepest move−14 pts2023→25, as a Republican

Career arc

10050020092025

2025–26 · 119th · Republican4.6%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 788 contested votes scored in the 119th

By policy area

career

Economics and Public Finance9% · 1,204

Congress1.4% · 707

Armed Forces and National Security11.3% · 284

Energy1.4% · 219

Environmental Protection4.1% · 170

Public Lands and Natural Resources3.3% · 151

Health3.6% · 138

Government Operations and Politics3% · 132

Finance and Financial Sector3.1% · 131

Taxation2.8% · 106

International Affairs21.6% · 102

Emergency Management10.3% · 97

Transportation and Public Works13.5% · 89

Education7.2% · 69

Science, Technology, Communications20.6% · 68

Agriculture and Food14.1% · 64

Crime and Law Enforcement14.3% · 56

Immigration13.7% · 51

Labor and Employment6.7% · 45

Housing and Community Development3.1% · 32

Water Resources Development3.1% · 32

Commerce4% · 25

Foreign Trade and International Finance7.1% · 14

Native Americans7.1% · 14

Civil Rights and Liberties, Minority Issues9.1% · 11

Social Welfare45.5% · 11

Animals— · 7

Law— · 6

Sports and Recreation— · 2

Families— · 1

Also voted in 2 areas where the parties never split — never on a contested question: Arts, Culture, Religion, Social Sciences and History.

Service record

111th · 2009119th · 2025

Republican111th–113th

Republican114th–119th

Party switchers

John Alexander LoganD→R · IL · 40th Wesley Wade WatkinsD→R · OK · 105th Ben Nighthorse CampbellD→R · CO · 104th