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Data through Sep 17, 2026Compare members
The Vote Ledger
AS

Arlen Specter

Senator from Pennsylvania
SENATEREPUBLICAN→DEMOCRAT1981–2011ID S000709
Compare
LegislationHEADLINE
45%with Dems
of 5,473 votes
Nominations
38%with Dems
of 124 · confirmations only
All contested
45%with Dems
of 5,597 · both combined
Steepest move
+34 pts
2007 → 2009
the label changed
Changed parties
111th
R → D · first Congress under it
votes moved after

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 ↓19811987199319992005R→D · 111th
2009–10111th Congress
Sat as a Democrat
81.3%with Democrats
legislation only
Votes for this Congress are open below
Steepest move: 2007 → 2009, +34 pts — the Congress the label changed.
Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with
Dec 22, 2010noneMary Helen Murguia, of Arizona, to be United States Circuit Judge for the Ninth CircuitNOMINATIONYEABOTH · NOT SCORED
Dec 22, 2010noneTreaty between the United States of America and the Russian Federation on Measures for the Further Reduction and Limitation of Strategic Offensive Arms, signed in Prague on April 8, 2010, with ProtocolLEGISLATIONYEADEM MAJORITY
Dec 21, 2010noneTo provide that the advice and consent of the Senate to ratification of the New START Treaty is subject to an understanding regarding the non-use of covers by the Russian Federation that tend to interfere with Type One inspections and accurate warhead counting, is subject to the United States and the Russian Federation reaching an agreement regarding access and monitoring, and is subject to a certification that the Russian Federation has agreed that it will not deny telemetric exchanges on new ballistic missile systems it deploys during the duration of the Treaty.LEGISLATIONNAYDEM MAJORITY
Full textTo provide that the advice and consent of the Senate to ratification of the New START Treaty is subject to an understanding regarding the non-use of covers by the Russian Federation that tend to interfere with Type One inspections and accurate warhead counting, is subject to the United States and the Russian Federation reaching an agreement regarding access and monitoring, and is subject to a certification that the Russian Federation has agreed that it will not deny telemetric exchanges on new ballistic missile systems it deploys during the duration of the Treaty.Party majoritiesDemocrats Nay · Republicans YeaCounts toward scoreYes — the parties split.
Where this lands
NAYSided with the Democratic majority
Dec 21, 2010noneTo require a certification that the President has negotiated a legally binding side agreement with the Russian Federation that the Russian Federation will not deploy a significant number of nuclear-armed sea-launched cruise missiles during the duration of the New START Treaty.LEGISLATIONNAYDEM MAJORITY
Dec 21, 2010noneTo provide an understanding that provisions adopted in the Bilateral Consultative Commission that affect substantive rights or obligations under the Treaty are those that create new rights or obligations for the United States and must therefore be submitted to the Senate for its advice and consent.LEGISLATIONNAYDEM MAJORITY
Dec 21, 2010noneTo provide a condition regarding the return of stolen United States military equipment.LEGISLATIONYEADEM MAJORITY
Dec 21, 2010noneTo amend the Treaty to provide for a clear definition of rail-mobile missiles.LEGISLATIONNAYDEM MAJORITY
Dec 21, 2010noneTreaty between the United States of America and the Russian Federation on Measures for the Further Reduction and Limitation of Strategic Offensive Arms, signed in Prague on April 8, 2010, with ProtocolLEGISLATIONYEADEM MAJORITY
Dec 21, 2010noneWilliam Joseph Martinez, of Colorado, to be United States District Judge for the District of ColoradoNOMINATIONYEADEM MAJORITY
9 most recent roll calls shown · 502 contested votes scored in the 111th CongressAll votes this Congress →

By policy area

career · legislation
Economics and Public Finance43.1% · 1,909 votes
Armed Forces and National Security44% · 529 votes
Taxation40.5% · 395 votes
Government Operations and Politics34.6% · 332 votes
Health68.9% · 225 votes
International Affairs49.3% · 219 votes
Finance and Financial Sector48.3% · 176 votes
Agriculture and Food45.1% · 164 votes
Labor and Employment54.4% · 149 votes
Immigration54.2% · 142 votes
Crime and Law Enforcement28.8% · 139 votes
Transportation and Public Works57.7% · 137 votes
Education44.8% · 125 votes
Foreign Trade and International Finance54.5% · 123 votes
Energy41.1% · 95 votes
Congress34.1% · 88 votes
Social Welfare46.8% · 79 votes
Science, Technology, Communications36% · 50 votes
Public Lands and Natural Resources42.9% · 49 votes
Commerce64.6% · 48 votes
Environmental Protection41.7% · 48 votes
Emergency Management51.2% · 41 votes
Law20% · 40 votes
Civil Rights and Liberties, Minority Issues74.4% · 39 votes
Water Resources Development36% · 25 votes
Sports and Recreation36.4% · 22 votes
Housing and Community Development71.4% · 21 votes
Families40% · 10 votes
Too few contested votes to score
Native Americans— · 9 votes
Commemorations— · 8 votes

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

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

Service record

15 Congresses
97th · 1981111th · 2009
Republican · Senate · PA97th–110th
Democrat · Senate · PA111th–111th
Term datesexact
Members · Pennsylvania
AS

Arlen Specter

Senator from Pennsylvania
SENATER→D1981–201115 CONGRESSES
Compare
LegislationHEADLINE
45%with Democrats
of 5,473 votes · 55% with Republicans
Nominations38%of 124 votes
All contested45%of 5,597 · combined
Steepest move+34 pts2007→09, as a Democrat
Changed parties111thR→D · votes moved after

Career arc

100500R→D19812009
2009–10 · 111th · Democrat81.3%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityNay
Republican majorityYea
Counts toward scoreYes
Open roll call
Latest 6 shown · 502 contested votes scored in the 111th

By policy area

career
Economics and Public Finance43.1% · 1,909
Armed Forces and National Security44% · 529
Taxation40.5% · 395
Government Operations and Politics34.6% · 332
Health68.9% · 225
International Affairs49.3% · 219
Finance and Financial Sector48.3% · 176
Agriculture and Food45.1% · 164
Labor and Employment54.4% · 149
Immigration54.2% · 142
Crime and Law Enforcement28.8% · 139
Transportation and Public Works57.7% · 137
Education44.8% · 125
Foreign Trade and International Finance54.5% · 123
Energy41.1% · 95
Congress34.1% · 88
Social Welfare46.8% · 79
Science, Technology, Communications36% · 50
Public Lands and Natural Resources42.9% · 49
Commerce64.6% · 48
Environmental Protection41.7% · 48
Emergency Management51.2% · 41
Law20% · 40
Civil Rights and Liberties, Minority Issues74.4% · 39
Water Resources Development36% · 25
Sports and Recreation36.4% · 22
Housing and Community Development71.4% · 21
Families40% · 10
Native Americans— · 9
Commemorations— · 8

Also voted in 1 area where the parties never split — never on a contested question: Social Sciences and History.

Service record

97th · 1981111th · 2009
Republican97th–110th
Democrat111th–111th

Other party switchers

John Alexander LoganD→R · IL · 40thWesley Wade WatkinsD→R · OK · 105thBen Nighthorse CampbellD→R · CO · 104th
AD320 × 50 · Anchor