Catherine Marie Cortez Masto

Senator from Nevada

SENATEDEMOCRAT2017–nowID C001113

LegislationHEADLINE

93%with Dems

of 1,060 votes

Nominations

97%with Dems

of 1,821 · confirmations only

All contested

95%with Dems

of 2,881 · both combined

Steepest move

−10 pts

2023 → 2025

still a Democrat

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 ↓20172023

2025–26119th Congress

Sat as a Democrat

87.6%with Democrats

legislation only

Votes for this Congress are open below

Steepest move: 2023 → 2025, −10 pts — while still a Democrat.

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 TexasNOMINATIONNAYDEM 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.LEGISLATIONNAYDEM MAJORITY

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

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

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

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

9 most recent roll calls shown · 814 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Economics and Public Finance92.7% · 468 votes

International Affairs87.4% · 87 votes

Congress100% · 46 votes

Immigration90.2% · 41 votes

Taxation85% · 40 votes

Science, Technology, Communications94.9% · 39 votes

Environmental Protection97.1% · 35 votes

Finance and Financial Sector80% · 35 votes

Health91.4% · 35 votes

Transportation and Public Works100% · 35 votes

Armed Forces and National Security87.5% · 32 votes

Public Lands and Natural Resources91.7% · 24 votes

Crime and Law Enforcement100% · 22 votes

Government Operations and Politics95.5% · 22 votes

Energy95.2% · 21 votes

Labor and Employment100% · 16 votes

Education90% · 10 votes

Too few contested votes to score

Civil Rights and Liberties, Minority Issues— · 9 votes

Emergency Management— · 9 votes

Foreign Trade and International Finance— · 7 votes

Social Welfare— · 5 votes

Agriculture and Food— · 4 votes

Commerce— · 4 votes

Animals— · 2 votes

Families— · 1 vote

Law— · 1 vote

Sports and Recreation— · 1 vote

Water Resources Development— · 1 vote

They also voted in 1 area where the parties never split, so there is nothing to score — never on a contested question: Housing and Community Development.

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

Service record

5 Congresses

115th · 2017119th · 2025

Democrat · Senate · NV115th–119th

Term datesexact

Catherine Marie Cortez Masto

Senator from Nevada

SENATED2017–now5 CONGRESSES

Compare

LegislationHEADLINE

92.5%with Democrats

of 1,060 votes · 7.5% with Republicans

Nominations97%of 1,821 votes

All contested95%of 2,881 · combined

Steepest move−10 pts2023→25, as a Democrat

Career arc

10050020172025

2025–26 · 119th · Democrat87.6%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 814 contested votes scored in the 119th

By policy area

career

Economics and Public Finance92.7% · 468

International Affairs87.4% · 87

Congress100% · 46

Immigration90.2% · 41

Taxation85% · 40

Science, Technology, Communications94.9% · 39

Environmental Protection97.1% · 35

Finance and Financial Sector80% · 35

Health91.4% · 35

Transportation and Public Works100% · 35

Armed Forces and National Security87.5% · 32

Public Lands and Natural Resources91.7% · 24

Crime and Law Enforcement100% · 22

Government Operations and Politics95.5% · 22

Energy95.2% · 21

Labor and Employment100% · 16

Education90% · 10

Civil Rights and Liberties, Minority Issues— · 9

Emergency Management— · 9

Foreign Trade and International Finance— · 7

Social Welfare— · 5

Agriculture and Food— · 4

Commerce— · 4

Animals— · 2

Families— · 1

Law— · 1

Sports and Recreation— · 1

Water Resources Development— · 1

Also voted in 1 area where the parties never split — never on a contested question: Housing and Community Development.

Service record

115th · 2017119th · 2025

Democrat115th–119th

Party switchers

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