Mazie Hirono

Senator from Hawaii

SENATEDEMOCRAT2007–nowID H001042

LegislationHEADLINE

99%with Dems

of 4,462 votes

Nominations

99%with Dems

of 2,067 · confirmations only

All contested

99%with Dems

of 6,529 · both combined

Steepest move

−2 pts

2009 → 2011

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 ↓2007201320192025

2025–26119th Congress

Sat as a Democrat

99.5%with Democrats

legislation only

Votes for this Congress are open below

Steepest move: 2009 → 2011, −2 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 · 825 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Economics and Public Finance99.1% · 1,297 votes

Congress99.5% · 856 votes

Armed Forces and National Security97.2% · 253 votes

Energy100% · 170 votes

Public Lands and Natural Resources98% · 149 votes

Environmental Protection99.3% · 142 votes

Health100% · 142 votes

Finance and Financial Sector100% · 124 votes

Emergency Management99.1% · 116 votes

International Affairs100% · 111 votes

Taxation97.3% · 110 votes

Transportation and Public Works97.2% · 106 votes

Education100% · 88 votes

Government Operations and Politics98.8% · 86 votes

Housing and Community Development98.8% · 83 votes

Science, Technology, Communications100% · 82 votes

Labor and Employment100% · 79 votes

Crime and Law Enforcement100% · 72 votes

Agriculture and Food92.2% · 64 votes

Immigration100% · 63 votes

Commerce97.2% · 36 votes

Water Resources Development100% · 27 votes

Foreign Trade and International Finance100% · 23 votes

Native Americans100% · 20 votes

Animals100% · 15 votes

Civil Rights and Liberties, Minority Issues100% · 15 votes

Too few contested votes to score

Social Welfare— · 9 votes

Law— · 7 votes

Commemorations— · 5 votes

Families— · 3 votes

Sports and Recreation— · 2 votes

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

10 Congresses

110th · 2007113th · 2013119th · 2025

Democrat · House · HI110th–112th

Democrat · Senate · HI113th–119th

Term datesexact

Mazie Hirono

Senator from Hawaii

SENATED2007–now10 CONGRESSES

Compare

LegislationHEADLINE

99.1%with Democrats

of 4,462 votes · 0.9% with Republicans

Nominations99%of 2,067 votes

All contested99%of 6,529 · combined

Steepest move−2 pts2009→11, as a Democrat

Career arc

10050020072025

2025–26 · 119th · Democrat99.5%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 825 contested votes scored in the 119th

By policy area

career

Economics and Public Finance99.1% · 1,297

Congress99.5% · 856

Armed Forces and National Security97.2% · 253

Energy100% · 170

Public Lands and Natural Resources98% · 149

Environmental Protection99.3% · 142

Health100% · 142

Finance and Financial Sector100% · 124

Emergency Management99.1% · 116

International Affairs100% · 111

Taxation97.3% · 110

Transportation and Public Works97.2% · 106

Education100% · 88

Government Operations and Politics98.8% · 86

Housing and Community Development98.8% · 83

Science, Technology, Communications100% · 82

Labor and Employment100% · 79

Crime and Law Enforcement100% · 72

Agriculture and Food92.2% · 64

Immigration100% · 63

Commerce97.2% · 36

Water Resources Development100% · 27

Foreign Trade and International Finance100% · 23

Native Americans100% · 20

Animals100% · 15

Civil Rights and Liberties, Minority Issues100% · 15

Social Welfare— · 9

Law— · 7

Commemorations— · 5

Families— · 3

Sports and Recreation— · 2

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

Service record

110th · 2007119th · 2025

Democrat110th–112th

Democrat113th–119th

Party switchers

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