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U.S. Senator from Arizona

Mark Kelly

Democrat · Arizona

Former NASA astronaut and Navy combat pilot. Elected in 2020. Gun control advocate following the 2011 shooting of his wife, Rep. Gabby Giffords.

Record

Moderate Democrat with strong focus on veterans' issues, gun safety legislation, and bipartisan border security. Supported the Bipartisan Infrastructure Law.

Legislative Record

Recently sponsored bills (8 on record)

  • S.5117 — A bill to establish consumer transparency and protection requirements for artificial intelligence chatbots, and for other purposes. (Introduced, Jul 23, 2026)
  • S.5029 — Educators for America Act (Introduced, Jul 16, 2026)
  • S.5031 — Building Community in America Act (Introduced, Jul 16, 2026)
  • S.4970 — Wildfire Prevention and Recovery Act (Introduced, Jul 14, 2026)
  • S.4971 — Western Water Infrastructure Fairness Act (Introduced, Jul 14, 2026)
  • S.4916 — Aging with Artificial Intelligence Act of 2026 (Introduced, Jun 24, 2026)
  • S.4887 — Hazardous Fuels Transportation Assistance Act of 2026 (Introduced, Jun 24, 2026)
  • S.4909 — Artemis II Congressional Gold Medal Act (Introduced, Jun 24, 2026)

Notable votes

  • Voted Nay on S.Res. 817 — S. Res. 817 (Resolution Agreed to, Jul 30, 2026)
  • Voted Nay on S.Res. 817 — Motion to Invoke Cloture: S. Res. 817 (Cloture Motion Agreed to, Jul 29, 2026)
  • Voted Nay on S. 2 — S. 2, As Amended (Bill Passed, Jun 5, 2026)
  • Voted Yea on S. 2 — Cortez Masto Amdt. No. 5463 (Amendment Rejected, Jun 5, 2026)
  • Voted Yea on S. 2 — Padilla Amdt. No. 5808 (Amendment Rejected, Jun 5, 2026)
  • Voted Yea on S. 2 — Gallego Amdt. No. 5813 (Amendment Rejected, Jun 5, 2026)
  • Voted Yea on S. 2 — Peters Amdt. No. 5763 (Amendment Rejected, Jun 5, 2026)
  • Voted Yea on S. 2 — Hirono Amdt. No. 5506 (Amendment Rejected, Jun 5, 2026)

Recently cosponsored bills (12 on record)

  • S.5181 — A bill to require the Secretary of Transportation to establish a grant program relating to the digitization of county roads and the creation of publicly accessible road datasets, and for other purposes. (Introduced, Jul 30, 2026)
  • S.5189 — A bill to amend title 10, United States Code, and the National Defense Authorization Act for Fiscal Year 1994, to codify and clarify gender neutral standards for members of certain Armed Forces, and for other purposes. (Introduced, Jul 30, 2026)
  • S.5175 — A bill to amend the Arms Export Control Act to address third party transfers of certain defense articles for Ukraine, and for other purposes. (Introduced, Jul 30, 2026)
  • S.5197 — A bill to amend the Immigration and Nationality Act to provide for a State-sponsored nonimmigrant pilot program, and for other purposes. (Introduced, Jul 30, 2026)
  • S.J.Res.181 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress. (Introduced, Jul 29, 2026)
  • S.4429 — Connected Vehicle Security Act of 2026 (Reported, Jul 28, 2026)
  • S.5114 — A bill to amend title 49, United States Code, to include certain ridership forecasting methods in determinations of whether a project under the fixed guideway capital investment grants program is justified, and for other purposes. (Introduced, Jul 23, 2026)
  • S.5108 — A bill to protect and expand nationwide access to assisted reproductive technology, including in vitro fertilization. (Introduced, Jul 23, 2026)

Voting analysis

Mark Kelly's departures from the Democratic caucus are concentrated on two bills he helped carry to passage over his colleagues' objections, supporting each through the full run of procedural votes.

5.7%
Votes against the Democrat majority
212
Roll calls where a party majority formed
25 of 45
Rank among Senate Democrats, most defections first

Clearing the path twice

On the first he voted for cloture, for an adopted amendment, and for cloture on that amendment. On the second he voted for passage and for an amendment attached to it. In both cases most Democrats were on the other side. These are votes that supply a majority rather than register a preference.

The 10 most recent of 12 roll calls where Mark Kelly voted against the Senate Democrat majority.
Roll callDateOutcomeTheir vote
S. 1582
Motion to Invoke Cloture: S. 1582
On the Cloture Motion S. 1582 · roll call 119
Jun 12, 2025Cloture Motion Agreed toYea (party: Nay)
S. 1582
Amdt. No. 2307
On the Amendment S.Amdt. 2307 to S. 1582 (No short title on file) · roll call 119
Jun 12, 2025Amendment Agreed toYea (party: Nay)
S. 1582
Motion to Invoke Cloture: Amdt. No. 2307 to S. 1582
On the Cloture Motion S. 1582 · roll call 119
Jun 11, 2025Cloture Motion Agreed toYea (party: Nay)
S. 5
S. 5, As Amended
On Passage of the Bill S. 5 · roll call 119
Jan 20, 2025Bill PassedYea (party: Nay)
S. 5
Ernst Amdt No. 8, As Amended
On the Amendment S.Amdt. 8 to S. 5 (No short title on file) · roll call 119
Jan 20, 2025Amendment Agreed toYea (party: Nay)
S. 5
Motion to Invoke Cloture: S. 5
On the Cloture Motion S. 5 · roll call 119
Jan 17, 2025Cloture Motion Agreed toYea (party: Nay)
S. 5
Cornyn Amdt. No. 14
On the Amendment S.Amdt. 14 to S.Amdt. 8 to S. 5 (No short title on file) · roll call 119
Jan 15, 2025Amendment Agreed toYea (party: Nay)
H.J.Res. 109
On the Joint Resolution H.J.Res. 109 · roll call 118
May 16, 2024Joint Resolution PassedYea (party: Nay)
H.R. 7888
Durbin Amdt No. 1841 as Modified
On the Amendment S.Amdt. 1841 to H.R. 7888 (No short title on file) · roll call 118
Apr 19, 2024Amendment RejectedNay (party: Yea)
S.J.Res. 62
On the Joint Resolution S.J.Res. 62 · roll call 118
Mar 21, 2024Joint Resolution PassedNay (party: Yea)

Both Arizona seats

Arizona's two senators are both Democrats. Kelly departs from the caucus somewhat more often than his colleague, though both rates are modest by the chamber's standards.

Among the 2 Democrats in the Arizona delegation, the average rate of voting against the party majority is 5.3%. Mark Kelly is above that average at 5.7%.

Committee roles and filings

He is ranking member on an armed services subcommittee covering air and land forces and on an environment subcommittee spanning clean air, climate and nuclear innovation. His bills address the desert West and emerging technology in roughly equal measure: the Western Water Infrastructure Fairness Act, the Wildfire Prevention and Recovery Act, consumer transparency requirements for artificial intelligence chatbots, the Educators for America Act and a community building measure.

Sponsored bills carry the Congressional Research Service's own subject classification. Mark Kelly's cluster into: Public Lands and Natural Resources (2), Education (1), Health (1), Labor and Employment (1), Science, Technology, Communications (1), Water Resources Development (1).

287
Bills sponsored
1269
Bills cosponsored

Of the 8 most recent of those, 8 currently sit at Introduced.

Tenure and attendance

Kelly first won the seat in a special election early this decade and now falls in the chamber's middle tenure group, having kept the same party throughout. His attendance record is strong.

First elected in 2020, now serving across 4 terms. Mark Kelly falls in the mid cohort.

3.6%
Roll calls recorded as not voting
220
Roll calls eligible to vote on
8
Recorded as not voting

By the numbers

In the 119th Congress, Mark Kelly has 287 bills sponsored, 1269 cosponsored, 8 recent floor votes recorded.

Committee assignments

  • Joint Economic Committee
  • Senate Committee on Armed Services
  • Senate Committee on Environment and Public Works
  • Senate Select Committee on Intelligence
  • Senate Special Committee on Aging
  • Senate Committee on Armed Services: Airland (Ranking Member)
  • Senate Committee on Armed Services: Emerging Threats and Capabilities
  • Senate Committee on Armed Services: Strategic Forces
  • Senate Committee on Environment and Public Works: Clean Air, Climate, and Nuclear Innovation and Safety (Ranking Member)
  • Senate Committee on Environment and Public Works: Fisheries, Wildlife, and Water
  • Senate Committee on Environment and Public Works: Transportation and Infrastructure

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