Photo of Mazie K. Hirono
D United States Senate · Hawaii

Sen. Mazie K. Hirono

Compare
Total votes
1,054
all sessions
Attendance
100%
of floor votes
Higher than 92% of chamber peers
With party
97%
of cast votes
Near the chamber average
Bipartisan score
2%
crosses aisle rarely
Near the chamber average
Sponsored
1,735
bills & resolutions
Higher than 82% of chamber peers
Committees
15
assignments
1,735 bills and resolutions

Sponsored bills

Total
1,735
Primary
192
Co-sponsor
1,543
This page
1,735
matching current filters
Co-sponsor S 634
In committee · United States Senate · Co-sponsor
Korematsu-Takai Civil Liberties Protection Act of 2025

Maddy summaryThis bill (S 634) amends U.S. Code § 4001 to prohibit federal authorities from detaining individuals solely based on protected characteristics. It directly affects anyone detained by federal law enforcement, banning detention based on race, ethnicity, national origin, religion, sex, gender identity, sexual orientation, disability, or any additional characteristic the Attorney General designates. The key provision adds a new subsection requiring that no one be imprisoned or detained "based solely on an actual or perceived protected characteristic," with the Attorney General having authority to expand the list of protected traits. This creates a clear legal standard to prevent discriminatory detention practices under federal law.

In committee Feb 19, 2025 1 co-sponsor
Co-sponsor S 589
In committee · United States Senate · Co-sponsor
SAD Act

Maddy summaryThe SAD Act prohibits crisis pregnancy centers (CPCs) from making deceptive claims about offering abortion services, contraception, or licensed medical care. It targets CPCs - anti-abortion organizations that mislead patients with false information, often near community health centers - to prevent them from discouraging access to reproductive care. The Federal Trade Commission (FTC) enforces the law, with penalties up to $100,000 per violation or 50% of a CPC’s revenue, and requires annual FTC reports on enforcement actions. This directly affects CPCs and aims to ensure accurate information for people seeking abortion care, particularly low-income women and women of color facing heightened barriers post-Dobbs.

In committee Feb 13, 2025 1 co-sponsor
Co-sponsor S 597
In committee · United States Senate · Co-sponsor
Age 21 Act

Maddy summaryThe Age 21 Act (S 597) would prohibit individuals under 21 years old from purchasing certain firearms and related items. The bill specifically targets semiautomatic assault weapons, certain pistols, shotguns, and large-capacity ammunition feeding devices by amending Section 922 of Title 18. It defines detailed categories of firearms that would be covered, including specific models like AR-15s and AK-47s, as well as features like detachable magazines that hold more than 10 rounds. The bill would require sellers to verify that buyers are at least 21 years old for these specific firearms and ammunition types. This would directly affect young adults aged 18-20 who would no longer be able to purchase these defined firearms.

In committee Feb 13, 2025 1 co-sponsor
Co-sponsor S 602
In committee · United States Senate · Co-sponsor
Wildfire Resilience Through Grazing Research Act

Maddy summaryThis bill funds research at land-grant universities to study how grazing by hoofed animals (like cattle or deer) can reduce wildfire risks on public and private lands. It directs grants for developing grazing techniques that lower fire fuels, aid post-fire recovery, and protect soil, water, and native plants - while avoiding invasive species spread or erosion. Key research areas include rotational grazing, managed stocking rates, and water point management. The findings will be shared through educational materials and outreach to help landowners and managers adopt these practices. The bill focuses on research, not direct land management changes.

In committee Feb 13, 2025 1 co-sponsor
Co-sponsor S 549
In committee · United States Senate · Co-sponsor
Maritime Fuel Tax Parity Act

Maddy summaryS 549, the Maritime Fuel Tax Parity Act, expands a federal tax exemption for alternative motorboat fuels to cover vessels operating exclusively between Atlantic or Pacific U.S. ports (including territories). It amends the tax code to include these specific vessels under the existing exemption for fuel used by vessels described in section 4042(c)(1). The change applies to fuel sold for use after December 31, 2025, directly affecting commercial vessels limited to coast-to-coast U.S. trade. This policy modifies tax treatment without altering broader fuel regulations or creating new requirements.

In committee Feb 12, 2025 1 co-sponsor
Co-sponsor S 520
In committee · United States Senate · Co-sponsor
Supporting the Abused by Learning Options to Navigate Survivor Stories Act

Maddy summaryThis bill requires states that mandate licensing training for cosmetologists and barbers to add free, state-approved domestic violence training for license seekers. The training teaches professionals to recognize abuse signs, respond appropriately, and refer clients to victim resources - optionally including sexual assault, stalking, and dating violence. States meeting this requirement can receive up to a 10% grant increase for domestic violence programs, with grants renewable for up to three years. The bill authorizes $5 million annually (2027-2033) to fund these grants, directly affecting cosmetology/barber license applicants and domestic violence service providers.

In committee Feb 11, 2025 1 co-sponsor
Co-sponsor SRES 67
In committee · United States Senate · Co-sponsor
A resolution declaring racism a public health crisis.

Maddy summarySRES 67 is a Senate resolution declaring racism a public health crisis in the United States. It cites documented racial health disparities - including lower life expectancy, higher maternal mortality, and disproportionate disease burdens among Black, American Indian, Alaska Native, and other minority communities - as meeting public health crisis criteria (affecting many, unfairly distributed, preventable, and lacking current solutions). The resolution calls for a nationwide strategy to dismantle systemic racism and address social determinants of health (like housing, education, and healthcare access), but it does not create new laws or funding. As a symbolic resolution, it aims to prompt government action rather than impose policy changes.

In committee Feb 6, 2025 1 co-sponsor
Co-sponsor S 445
In committee · United States Senate · Co-sponsor
Carried Interest Fairness Act of 2025

Maddy summaryThe Carried Interest Fairness Act of 2025 would change how investment fund managers are taxed on their "carried interest" - the share of profits they earn for managing investment funds. Currently, this is often taxed at lower capital gains rates, but the bill would require it to be taxed as ordinary income instead. It creates new rules for "investment services partnership interests" and specifies that gains and losses from these interests must be treated as ordinary income or loss. The bill directly affects investment fund managers and aims to align their tax treatment more closely with how other business income is taxed.

In committee Feb 6, 2025 1 co-sponsor
Co-sponsor S 455
In committee · United States Senate · Co-sponsor
Protecting Sensitive Locations Act

Protecting Sensitive Locations Act This bill prohibits immigration enforcement actions within 1,000 feet of a sensitive location except in exigent circumstances, such as the imminent risk of death, violence, or physical harm to any person. Sensitive locations include  health care facilities; schools and school bus stops; places that provide assistance for people such as children, pregnant women, and abuse victims; child care facilities; places that provide disaster or emergency services; places of worship; courthouses and lawyers’ offices; facilities used as polling places; certain labor union facilities; and public assistance offices. The prohibition shall apply to Department of Homeland Security officers and agents, as well as state employees pursuing immigration enforcement actions. If an enforcement action is carried out in violation of this prohibition (1) no information resulting from the action may be entered into the record in a resulting removal proceeding, and (2) the affected individual may move to immediately terminate such a proceeding. U.S. Immigration and Customs Enforcement and U.S. Customs and Border Protection shall annually report to Congress about enforcement actions taken at sensitive locations in the preceding year.

In committee Feb 6, 2025 1 co-sponsor
Showing 561 to 570 of 1,735 bills
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