
U.S. Representative for California’s 7th district
Democrat
119th Congress, two-year term
Missed 0.0% of roll calls. Chamber median 1.9%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Democrat. In Congress since 2005, 11 terms in total.
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Bills and resolutions Matsui signed on to as a cosponsor. An original cosponsor signed on the day the bill was introduced. Source: govinfo bill status files, last updated Nov 6, 2026.
Domestic Workers Bill of Rights Act
Sponsor Pramila Jayapal (D). Original cosponsor. 115 cosponsors. H.R. 3971 on Congress.gov
Introduced
My Body, My Data Act of 2025
Sponsor Sara Jacobs (D). Original cosponsor. 101 cosponsors. H.R. 3916 on Congress.gov(opens in a new tab)
Introduced
Family Vaccine Protection Act
Sponsor Frank Pallone (D). Joined Jun 10, 2025. 80 cosponsors. H.R. 3701 on Congress.gov(opens in a new tab)
Introduced
Bipartisan Background Checks Act of 2025
Sponsor Mike Thompson (D). Original cosponsor. 214 cosponsors. H.R. 18 on Congress.gov(opens in a new tab)
Introduced
Bipartisan Background Checks Act of 2025
This bill establishes new background check requirements for firearm transfers between private parties (i.e., unlicensed individuals).
Specifically, it prohibits a firearm transfer between private parties unless a licensed gun dealer, manufacturer, or importer first takes possession of the firearm to conduct a background check.
The prohibition does not apply to certain firearm transfers or exchanges, such as a gift between spouses.
ADINA Act
Sponsor Kelly Morrison (D). Original cosponsor. 21 cosponsors. H.R. 3821 on Congress.gov(opens in a new tab)
Introduced
Keeping Homeownership Costs Down Act
Original cosponsor. 3 cosponsors. H.R. 3800 on Congress.gov(opens in a new tab)
Progress not on file
Calling for the urgent delivery and disbursement of humanitarian aid to address the needs of civilians in Gaza.
Sponsor Pramila Jayapal (D). Original cosponsor. 125 cosponsors. H.Res. 473 on Congress.gov(opens in a new tab)
Introduced
This resolution expresses the House of Representatives' grave concern with (1) the humanitarian crisis and acute suffering of Palestinian civilians in Gaza, and (2) the suffering of the hostages and hostage families.
The resolution also calls on the White House, the Department of State, and other relevant federal agencies to use all available diplomatic tools to bring about the release of the hostages, the disbursement of food and humanitarian aid to Palestinian civilians, and a durable end to the Gaza conflict.
Golden Mussel Eradication and Control Act of 2025
Sponsor Josh Harder (D). Original cosponsor. 7 cosponsors. H.R. 3717 on Congress.gov(opens in a new tab)
Introduced
Expressing the sense of the House of Representatives that the Congress should enact the Older Americans Bill of Rights to establish that older Americans should have the right to live with dignity and with independence.
Sponsor Janice Schakowsky (D). Original cosponsor. 31 cosponsors. H.Res. 465 on Congress.gov(opens in a new tab)
Introduced
Air America Act of 2025
Sponsor Glenn Grothman (R). Joined Jun 3, 2025. 178 cosponsors. H.R. 2192 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the designation of June 6, 2025, as "National Gun Violence Awareness Day" and June 2025 as "National Gun Violence Awareness Month".
Sponsor Robin Kelly (D). Original cosponsor. 87 cosponsors. H.Res. 457 on Congress.gov(opens in a new tab)
Introduced
Expressing support for the designation of the month of May 2025 as "Progressive Supranuclear Palsy Awareness Month".
Sponsor Suhas Subramanyam (D). Original cosponsor. 32 cosponsors. H.Res. 456 on Congress.gov(opens in a new tab)
Introduced
This resolution expresses support for the designation of Progressive Supranuclear Palsy Awareness Month.
Improving Seniors’ Timely Access to Care Act of 2025
Sponsor Mike Kelly (R). Joined May 29, 2025. 308 cosponsors. H.R. 3514 on Congress.gov(opens in a new tab)
Passed committee
Improving Seniors' Timely Access to Care Act of 2025
This bill establishes several requirements and standards relating to prior authorization processes under Medicare Advantage (MA) plans.
Specifically, MA plans must (1) establish an electronic prior authorization program that meets specified standards; (2) annually submit to the CMS for publication specified prior authorization information, including the percentage of requests approved and the average response time; and (3) meet other standards, as set by the Centers for Medicare & Medicaid Services (CMS), relating to the quality and timeliness of prior authorization determinations.
The CMS and the Office of the National Coordinator for Health Information Technology must publish on the CMS' website a report that analyzes the information received from MA plans, the feasibility of implementing real-time decision making with respect to prior authorization requests, and the impact of decisions that are made using artificial intelligence on patient access.
Closing the Bump Stock Loophole Act of 2025
Sponsor Dina Titus (D). Joined May 29, 2025. 152 cosponsors. H.R. 2799 on Congress.gov(opens in a new tab)
Introduced
Closing the Bump Stock Loophole Act of 2025
This bill generally prohibits the import, sale, manufacture, transfer, receipt, or possession of
• a device that is primarily designed, or redesigned, to increase the rate of fire when attached to a semiautomatic firearm;
• a device, part, or combination of parts that is designed and functions to increase the rate of fire of a firearm; or
• a semiautomatic firearm that has been modified to materially increase the rate of fire or to approximate the action or rate of fire of a machine gun.
Additionally, the bill adds to the list of firearms subject to regulation under the National Firearms Act semiautomatic firearms that have been modified to materially increase the rate of fire or approximate the action or rate of fire of a machine gun.
Recognizing the importance of California's public higher education systems and reaffirming the United States' commitment to supporting these institutions.
Sponsor Ami Bera (D). Original cosponsor. 20 cosponsors. H.Res. 442 on Congress.gov(opens in a new tab)
Introduced
This resolution expresses support for California's public higher education systems and commends their impacts on California's economy and underserved communities.
Expressing support for the designation of May 2025 as "Mental Health Awareness Month".
Sponsor Andrea Salinas (D). Original cosponsor. 47 cosponsors. H.Res. 441 on Congress.gov(opens in a new tab)
Introduced
This resolution declares mental health a national priority and supports the designation of Mental Health Awareness Month.
Teaching Asian American, Native Hawaiian, and Pacific Islander History Act
Sponsor Grace Meng (D). Original cosponsor. 57 cosponsors. H.R. 3551 on Congress.gov(opens in a new tab)
Introduced
Historic Tax Credit Growth and Opportunity Act of 2025
Sponsor Darin LaHood (R). Joined May 20, 2025. 57 cosponsors. H.R. 2941 on Congress.gov(opens in a new tab)
Introduced
To amend title XVIII of the Social Security Act to provide for certain cognitive impairment detection in the Medicare annual wellness visit and initial preventive physical examination.
Sponsor Linda Sánchez (D). Original cosponsor. 34 cosponsors. H.R. 3501 on Congress.gov(opens in a new tab)
Introduced
Anti-Racism in Public Health Act of 2025
Sponsor Ayanna Pressley (D). Joined May 14, 2025. 24 cosponsors. H.R. 2884 on Congress.gov(opens in a new tab)
Introduced
Anti-Racism in Public Health Act of 2025
This bill establishes within the Centers for Disease Control and Prevention (CDC) a National Center on Antiracism and Health and a law enforcement violence prevention program.
In particular, the new center must carry out various activities to address racism and its impact on health and well-being. This includes declaring racism a public health crisis, collecting and analyzing data, and administering research and grant programs.
Additionally, the bill specifically directs the CDC's National Center for Injury Prevention and Control, in coordination with the Department of Justice and other relevant stakeholders, to implement the law enforcement violence prevention program by conducting research and supporting other activities pertaining to law enforcement violence and public health.
Expressing the sense of the House of Representatives that Congress should take all appropriate measures to ensure that the United States Postal Service remains an independent establishment of the Federal Government and is not subject to privatization.
Sponsor Stephen Lynch (D). Joined May 13, 2025. 238 cosponsors. H.Res. 70 on Congress.gov(opens in a new tab)
Introduced
This resolution expresses the sense of the House of Representatives that Congress should ensure that the U.S. Postal Service is not privatized and remains an independent establishment of the federal government.
Supporting the designation of May 10, 2025, as "National Asian American, Native Hawaiian, and Pacific Islander Mental Health Day".
Sponsor Judy Chu (D). Original cosponsor. 27 cosponsors. H.Res. 407 on Congress.gov(opens in a new tab)
Introduced
Water Affordability, Transparency, Equity, and Reliability Act of 2025
Sponsor Bonnie Watson Coleman (D). Original cosponsor. 90 cosponsors. H.R. 3376 on Congress.gov(opens in a new tab)
Introduced
Therapeutic Fraud Prevention Act of 2025
Sponsor Ted Lieu (D). Original cosponsor. 204 cosponsors. H.R. 3243 on Congress.gov(opens in a new tab)
Introduced
Expressing the sense of the House of Representatives that the Secretary of Health and Human Services should withdraw a reduction in public notice and comment opportunities.
Sponsor Lizzie Fletcher (D). Original cosponsor. 23 cosponsors. H.Res. 369 on Congress.gov(opens in a new tab)
Introduced