PORKEROpen the app

Former member of Congress · last served 109th Congress

Official portrait of Rep. Robert T. Matsui

Robert T. Matsui

DEMOCRAT U.S. Representative · CaliforniaHouse 1979–2005 (CA-3, CA-5)

Robert Matsui was a Democratic U.S. representative from California, first elected to Congress in 1979, who sponsored 2 bills that became law (100th–109th Congress).

168Bills & resolutions sponsored100th–109th Congress (excludes amendments)
10Passed a chamberof 168 bills & resolutions sponsored
2Became law2 substantive + 0 ceremonial · 100th–109th Congress
—Broke with partyNo roll calls in PORKER’s records (they start in 2011)
—Missed votesNo roll calls in PORKER’s records (they start in 2011)
—Pork: own shareFY2024 earmarks: not in office

How we count: “Broke with party” is a yes/no roll call where the member voted against most of their own party on that vote (party as recorded; even splits not counted). “Pork: own share” splits each earmark shared by several members evenly among them.

Recent votes

No recorded roll-call votes in PORKER’s records. Roll-call records start in 2011.

5 most recent bills

Top bills sponsored

Laws first, then bills that passed a chamber, were reported from committee, or drew the most cosponsors.

Elections Rep. Matsui has won

Rep. Matsui has won 13 U.S. House elections (1978–2002). Of the contested races, margins ran from 6.9 to 82.2 points.

010204060Margin of victory, points (axis starts at 0)1978, CA-3: won by 6.9 points1978CA-31980, CA-3: won by 44.0 points19801982, CA-3: won by 82.2 points19821984: unopposed19841986, CA-3: won by 51.9 points19861988, CA-3: won by 42.4 points19881990, CA-3: won by 25.6 points19901992, CA-5: won by 43.2 points1992CA-51994, CA-5: won by 39.5 points19941996, CA-5: won by 44.3 points19961998, CA-5: won by 45.9 points19982000, CA-5: won by 42.5 points20002002, CA-5: won by 44.1 points2002
Democratic winRepublican winseat changed partyunopposed
Elections won13 in the data (1976–2024); losses are not listed
Closest win: 6.9 points1978, CA-3
Won an open seat or took one from the other party1 of 13 elections (open seat or changed party)
Seat history, California’s 5th districtWinners, most recent three: Doris O. Matsui (D) 2004–2010 → Mike Thompson (D) 2012–2020 → Tom McClintock (R) 2022–2024. Elections shown, not terms; special elections not included.

Full election history for this seat →

Source: MIT Election Data and Science Lab, U.S. House V15 / U.S. Senate V8 (CC0), retrieved 2026-10-18; winners matched to member records by seat and term. Results run through the 2024 elections; nothing from 2026 is shown until it is certified. A margin is a fact about one election, never a score of how well a member represents anyone, and PORKER does not rank members by it.

Open full dossier →

Data as of Oct 26, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.