Mark Kelly

U.S. Senator · Arizona · Democrat

From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 2, 2026 · How we measure

Effectiveness, 119th Congress so far

How it’s measured

1.04· expected 0.63

Above expectations

Rank 35 of 100 in the Senate · expected = average of 29 minority-party members without a committee lead

How far Kelly’s own bills got, weighted by substance. The average member scores 1.00.

55 bills and joint resolutions sponsored: 0 significant (got a roll call vote), 53 substantive, 2 commemorative. Compare the Senate

Became law (1)

1 national policy

S. 201 ACES Act of 2025Modifies military or armed forces policies or programs. AI-readBecame law Aug 14, 2025 · Armed Forces and National SecurityNational policy

Scope tags come from an AI reading of each bill where available, otherwise from its title and policy area. They don’t change the score. How scope is tagged

Became law inside another bill (1)

S. 700 A bill to require the Secretary of Agriculture to convey the Pleasant Valley Ranger District Administrative Site to Gila County, Arizona.Identical bill became law as H.R. 837 · Oct 20, 2026Via H.R. 837

Kelly’s own bill stalled, but the Congressional Research Service lists an identical bill, or one with similar text, that became law. Shown for context; not counted in the score, which follows the Center for Effective Lawmaking. How this works

How Kelly’s ratings compare with every senator

Ratings, 119th Congress

Scores run 0–100 and always sit next to a median. Each tick is one senator; the ringed marker is Kelly.

Kelly in plain answers: party votes, bipartisanship, who votes alike

Attendance

How it’s measured

95/ 100

Chamber median 98 · 50 missed of 915

Voted on 865 of 915 roll calls; missed 50. Lower than 84% of senators.

85%100%

Party loyalty

How it’s measured

91/ 100

Senate D median 96 · Rank 40 of 47

Sided with the Democratic majority on 792 votes that split the parties. Lower than 90% of senators.

75%100%

Bipartisan

How it’s measured

14/ 100

Chamber median 9 · +5

Average agreement with members of the other party on contested votes. Higher than 90% of senators.

0%30%

Position

How it’s measured

−0.27

Democratic middle 80%: -0.51 to -0.23

Left–right position from roll-call similarity (DW-NOMINATE, Voteview), from −1 to +1. Members who vote alike sit near each other.

LiberalConservative

Kelly’s bills that got action in committee or further

All bills

9 bills and joint resolutions sponsored in the 119th Congress, furthest along first. These are the bills counted in Kelly’s effectiveness score.

S. 201 ACES Act of 2025Modifies military or armed forces policies or programs. AI-readArmed Forces and National Security · Became law Aug 14, 2025SubstantiveText pending National policy
S. 5249 MORE American Fuel Act of 2026Unknown; bill summary not yet available. AI-readEnergy · Introduced Oct 5, 2026Substantive721 words Introduced
S. 2741 Legacy Mine Cleanup Act of 2025Addresses cleanup of abandoned mines. AI-readEnvironmental Protection · Introduced Nov 20, 2025Substantive1.5k words Introduced
S. 4846 TAAP ActAmends water resources law; specific provisions unclear from title alone. AI-readWater Resources Development · Out of committee Sep 30, 2026Substantive175 words Out of committee
S. 3715 Chiricahua National Park ActEstablishes Chiricahua National Park in Arizona. AI-readPublic Lands and Natural Resources · Out of committee Sep 17, 2026Substantive944 words Out of committee
S. 700 A bill to require the Secretary of Agriculture to convey the Pleasant Valley Ranger District Administrative Site to Gila County, Arizona.Requires the Secretary of Agriculture to convey Pleasant Valley Ranger District Administrative Site to Gila County, Arizona. AI-readPublic Lands and Natural Resources · Out of committee Jul 23, 2026Substantive574 words Out of committee
S. 2319 A bill to designate the Federal building located at 300 West Congress Street in Tucson, Arizona, as the "Raul M. Grijalva Federal Building".Designates the Federal building at 300 West Congress Street in Tucson, Arizona as the Raul M. Grijalva Federal Building. AI-readGovernment Operations and Politics · Out of committee Oct 29, 2025Ceremonial67 words Out of committee
S. 3617 Yavapai-Apache Nation Water Rights Settlement Act of 2026Settles water rights claims for the Yavapai-Apache Nation. AI-readNative Americans · In committee Jul 29, 2026Substantive17k words In committee
S. 953 Northeastern Arizona Indian Water Rights Settlement Act of 2025Settles water rights claims for Navajo Nation, Hopi Tribe, and San Juan Southern Paiute Tribe in Arizona. AI-readNative Americans · In committee Mar 11, 2026Substantive42k words In committee

Stage comes from each bill’s latest action on congress.gov; the full history is on each bill page.