← Legislators

Van Hollen, Chris
CurrentU.S. Senator · Democratic · MD
Served 2003–present
(202) 224-4654730 Hart Senate Office Building Washington, DC 20510
Official website ↗Committee Assignments
Senate Committee on AppropriationsmemberSenate Committee on Banking, Housing, and Urban AffairsmemberSenate Committee on Foreign RelationsmemberSenate Committee on the BudgetmemberAfrica and Global Health PolicymemberCommerce, Justice, Science, and Related Agenciesranking memberDepartment of Homeland SecuritymemberDepartment of Interior, Environment, and Related AgenciesmemberDigital AssetsmemberEast Asia, the Pacific, and International Cybersecurity PolicymemberFinancial Services and General GovernmentmemberHousing, Transportation, and Community DevelopmentmemberNational Security and International Trade and FinancememberState Department and USAID Management, International Operations, and Bilateral International Developmentranking memberTransportation, Housing and Urban Development, and Related Agenciesmember
Legislative Activity
100 bills/resolutionsBills and resolutions this member sponsored, cosponsored, or that were referred to a committee they sit on.
S 5623
Reaffirming Extended Nuclear Deterrence Act of 2026
Committee referralS 52542026-09-30
Civil Nuclear Export Act of 2026
Committee referralS 42432026-08-05
No Nuclear Weapons for Saudi Arabia Act of 2026
CosponsorS 42282026-03-26
ACE Nuclear Energy Act of 2026
Committee referralS 30902026-03-26
No Nuclear Testing Act of 2025
Cosponsor2025-10-30
SRES 323
S 1801A resolution urging the United States to lead a global effort to halt and reverse the nuclear arms race.
Cosponsor2025-07-16
International Nuclear Energy Act of 2025
Committee referralS 17392025-05-19
International Nuclear Energy Financing Act of 2025
Committee referral2025-05-13
SRES 212
A resolution affirming the acceptable outcome of any nuclear deal between the United States and the Islamic Republic of Iran, and for other purposes.
Committee referral2025-05-08
SRES 101
A resolution affirming the threats to world stability from a nuclear weapons-capable Islamic Republic of Iran.
Committee referral2025-02-27
SRES 61
A resolution expressing support for the continued value of arms control agreements and negotiated constraints on Russian and Chinese strategic nuclear forces.
Cosponsor2025-02-05
SRES 43
S 192A resolution affirming the threats to world stability from a nuclear weapons-capable Islamic Republic of Iran.
Committee referral2025-01-29
Restricting First Use of Nuclear Weapons Act of 2025
Cosponsor2025-01-22
SJRES 106
A joint resolution to authorize the use of United States Armed Forces against the Islamic Republic of Iran for threatening the national security of the United States through the development of nuclear weapons.
Committee referral2024-07-31
SRES 717
A resolution calling on the Biden Administration to pursue censure of Iran at the International Atomic Energy Agency (IAEA), refer the issue to the United Nations Security Council, and reaffirm that all measures will be taken to prevent the regime in Iran from acquiring nuclear weapons.
Committee referral2024-06-03
SRES 429
A resolution expressing the sense of the Senate in support of the International Atomic Energy Agency's (IAEA) nuclear security role.
Committee referral2023-10-25
SRES 268
S 1928A resolution responding to the threat posed by the Russian Federation's deployment of tactical nuclear weapons, and for other purposes.
Committee referral2023-06-22
Civil Nuclear Export Act of 2023
Committee referralS 11862023-06-12
Restricting First Use of Nuclear Weapons Act of 2023
Cosponsor2023-04-18
SRES 117
S 826A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Government of Canada does not permanently store nuclear waste in the Great Lakes Basin.
Committee referral2023-03-22
International Nuclear Energy Act of 2023
Committee referralS 4722023-03-15
Iran Nuclear Treaty Act
Committee referralS 45542023-02-16
Iran Nuclear Weapons Capability Monitoring Act of 2022
Committee referralHR 82552022-07-19
Energy and Water Development and Related Agencies Appropriations Act, 2023
Committee referral2022-06-30
SRES 611
S 4064A resolution expressing the sense of Congress that the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) continues to make an invaluable contribution to the United States and international security, and recognizing that the United States will seek a successful Ninth Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons.
Committee referral2022-05-03
International Nuclear Energy Act
Committee referral2022-04-07
SRES 514
A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Government of Canada does not permanently store nuclear waste in the Great Lakes Basin.
Committee referral2022-02-15
SRES 511
A resolution expressing the sense of the Senate that establishing a regional nuclear fuel bank would assist international efforts to avoid a destabilizing arms race in the Middle East and would promote the peaceful use of nuclear power.
Committee referral2022-02-10
SRES 466
HR 5376A resolution expressing the sense of the Senate in support of the International Atomic Energy Agency's (IAEA) nuclear security role.
Committee referral2021-12-02
Inflation Reduction Act of 2022
Committee referralS 20302021-09-27
Iran Nuclear Treaty Act
Committee referralS 12052021-06-10
Iran Nuclear Deal Advice and Consent Act of 2021
Committee referralS 12192021-04-19
A bill to establish the policy of the United States regarding the no-first-use of nuclear weapons.
Committee referralS 11482021-04-19
Restricting First Use of Nuclear Weapons Act of 2021
CosponsorS 5952021-04-15
Nuclear SLCM Ban Act of 2021
Sponsor2021-03-04
SRES 72
A resolution opposing the lifting of sanctions imposed with respect to Iran without addressing the full scope of Iran's malign activities, including its nuclear program, ballistic and cruise missile capabilities, weapons proliferation, support for terrorism, hostage-taking, gross human rights violations, and other destabilizing activities.
Committee referral2021-02-24
SRES 673
A resolution affirming that the New START Treaty extension will cover new deployed Russian nuclear delivery systems, and supporting additional initiatives to engage China that advance the goal of concluding an arms control treaty or agreement.
Cosponsor2020-08-06
SRES 470
S 3014A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Government of Canada does not permanently store nuclear waste in the Great Lake Basin.
Committee referral2020-01-15
Preventing the Spread of Nuclear Weapons Act of 2019
Committee referralS 23942019-12-10
Richard G. Lugar and Ellen O. Tauscher Act to Maintain Limits on Russian Nuclear Forces
SponsorS 23382019-07-31
Preventing Nuclear Proliferation in Saudi Arabia Act of 2019
Sponsor2019-07-30
SCONRES 16
A concurrent resolution expressing the sense of Congress that the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) continues to make an invaluable contribution to United States and international security, and noting former Senator Richard G. Lugar's indispensable contributions to international security and reducing nuclear weapons-related risks.
Cosponsor2019-05-15
SRES 195
S 1127A resolution opposing the lifting of sanctions imposed with respect to Iran without addressing Iran's nuclear program, ballistic missile development, support for terrorism, and other destabilizing activities.
Committee referral2019-05-08
A bill to amend the Atomic Energy Act of 1954 to require the Secretary of Energy to report to Congress regarding applications for authorizations to engage or participate in the development or production of special nuclear material outside the United States, and for other purposes.
Committee referralS 6122019-04-10
Saudi Nuclear Nonproliferation Act of 2019
Committee referral2019-02-28
SCONRES 2
S 272A concurrent resolution expressing the sense of Congress that any United States-Saudi Arabia civilian nuclear cooperation agreement must prohibit the Kingdom of Saudi Arabia from enriching uranium or separating plutonium on its own territory, in keeping with the strongest possible nonproliferation "gold standard".
Committee referral2019-02-12
A bill to establish the policy of the United States regarding the no-first-use of nuclear weapons.
Committee referralS 2002019-01-30
Restricting First Use of Nuclear Weapons Act of 2019
CosponsorS 37852019-01-24
No Nuclear Weapons for Saudi Arabia Act of 2018
Committee referralS 36622018-12-19
Stopping Russian Nuclear Aggression Act
Committee referral2018-11-28
SRES 562
A resolution expressing the sense of the Senate that the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) continues to make an invaluable contribution to United States and international security, 50 years after it opened for signature on July 1, 1968.
Committee referral2018-06-28
SRES 541
A resolution expressing the sense of the Senate that any United States-Saudi Arabia civilian nuclear cooperation agreement must prohibit the Kingdom of Saudi Arabia from enriching uranium or separating plutonium on its own territory, in keeping with the strongest possible nonproliferation "gold standard".
Committee referral2018-06-12
SRES 361
HR 3898A resolution expressing the sense of the Senate that the United States Government shall, both unilaterally and alongside the international community, consider all options for exerting maximum pressure on the Democratic People's Republic of Korea (DPRK), in order to denuclearize the DPRK, protect the lives of United States citizens and allies, and prevent further proliferation of nuclear weapons.
Committee referral2017-12-14
Otto Warmbier North Korea Nuclear Sanctions Act
Committee referralS 17962017-10-02
Upholding America's Nuclear Commitments Act of 2017
Committee referralHR 32662017-09-12
Energy and Water Development and Related Agencies Appropriations Act, 2018
Committee referral2017-07-17
SRES 88
S 574A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Government of Canada does not permanently store nuclear waste in the Great Lakes Basin.
Committee referral2017-03-15
Nuclear Cruise Missile Reconsideration Act of 2017
CosponsorS 4302017-03-08
Intermediate-Range Nuclear Forces (INF) Treaty Preservation Act of 2017
Committee referralS 3322017-02-16
A bill to restrict funding for the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization, and for other purposes.
Committee referralS 2002017-02-07
Restricting First Use of Nuclear Weapons Act of 2017
CosponsorS 82017-01-24
A bill to provide for the approval of the Agreement for Cooperation Between the Government of the United States of America and the Government of the Kingdom of Norway Concerning Peaceful Uses of Nuclear Energy.
Committee referralS 34002016-12-01
Restricting First Use of Nuclear Weapons Act of 2016
Committee referralS 33552016-09-27
A bill to prohibit funding for the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization in the event the United Nations Security Council adopts a resolution that obligates the United States or affirms a purported obligation of the United States to refrain from actions that would run counter to the object and purpose of the Comprehensive Nuclear-Test-Ban Treaty.
Committee referral2016-09-20
SRES 564
S 3010A resolution condemning North Korea's fifth nuclear test on September 9, 2016.
Committee referral2016-09-15
U.S.-China Nuclear Cooperation and Nonproliferation Act of 2016
Committee referralS 29882016-05-26
A bill to extend the sunset of the Iran Sanctions Act of 1996 in order to effectuate the Joint Comprehensive Plan of Action in guaranteeing that all nuclear material in Iran remains in peaceful activities.
Committee referral2016-05-25
SRES 414
S 2429A resolution expressing the sense of the Senate on the actions, including the reapplication of waived nuclear-related sanctions, that the United States should undertake in the event of an Iranian violation of the Joint Comprehensive Plan of Action.
Committee referral2016-04-06
Ending Iran's Nuclear Weapon Program Before Sanctions Relief Act of 2015
Committee referral2015-12-18
SRES 251
S 2026A resolution expressing the sense of the Senate that the congressional review provision of the Iran Nuclear Agreement Review Act of 2015 does not apply to the Joint Comprehensive Plan of Action announced on July 14, 2015, because the President failed to transmit the entire agreement as required by such Act, and that the Joint Comprehensive Plan of Action would only preempt existing Iran sanctions laws as "the supreme Law of the Land" if ratified by the Senate as a treaty with the concurrence of
Committee referral2015-09-10
Stop Nuclear Waste by Our Lakes Act of 2015
Committee referralHR 34602015-09-10
To suspend until January 21, 2017, the authority of the President to waive, suspend, reduce, provide relief from, or otherwise limit the application of sanctions pursuant to an agreement related to the nuclear program of Iran.
Committee referral2015-09-09
SRES 238
A resolution expressing the determination of the Senate that the 60-calendar day period for congressional review of the nuclear agreement with Iran did not begin with the transmittal of the agreement on July 19, 2015, because that transmittal did not include all materials required to be transmitted pursuant to the Iran Nuclear Agreement Review Act of 2015.
Committee referral2015-07-30
SJRES 20
HR 2028A joint resolution relating to the approval of the proposed Agreement for Cooperation Between the United States of America and the Government of the Republic of Korea Concerning Peaceful Uses of Nuclear Energy.
Committee referral2015-07-28
Energy and Water Development and Related Agencies Appropriations Act, 2016
Committee referral2015-04-24
SRES 134
S 792A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Government of Canada does not permanently store nuclear waste in the Great Lakes Basin.
Committee referral2015-04-13
Nuclear Weapon Free Iran Act of 2015
Committee referralS 6152015-03-18
Iran Nuclear Agreement Review Act of 2015
Committee referralS 2692015-02-27
Nuclear Weapon Free Iran Act of 2015
Committee referral2015-01-27
SRES 40
A resolution expressing the sense of the Senate regarding efforts by the United States and others to prevent Iran from developing a nuclear weapon.
Committee referral2015-01-26
SRES 565
S 2650A resolution expressing the sense of the Senate that the President and the Secretary of State should ensure that the Canadian Government does not permanently store nuclear waste in the Great Lakes Basin.
Committee referral2014-09-18
Iran Nuclear Negotiations Act of 2014
Committee referralHR 49232014-07-23
Energy and Water Development and Related Agencies Appropriations Act, 2015
Committee referral2014-06-20
SJRES 39
A joint resolution relating to the approval of the proposed Agreement for Cooperation Between the Government of the United States of America and the Government of the Socialist Republic of Vietnam Concerning the Peaceful Uses of Nuclear Energy.
Committee referral2014-06-09
SJRES 36
A joint resolution relating to the approval and implementation of the proposed agreement for nuclear cooperation between the United States and the Socialist Republic of Vietnam.
Committee referral2014-05-22
SCONRES 34
A concurrent resolution expressing the sense of Congress that the President should hold the Russian Federation accountable for being in material breach of its obligations under the Intermediate-Range Nuclear Forces Treaty.
Committee referral2014-03-25
SJRES 31
S 1901A joint resolution relating to the approval of the proposed Agreement for Cooperation Between the American Institute in Taiwan and the Taipei Economic and Cultural Representatives Office in the United States Concerning Peaceful Uses of Nuclear Energy.
Committee referral2014-02-10
Support for United States-Republic of Korea Civil Nuclear Cooperation Act
Committee referralS 17652014-01-09
Iran Nuclear Compliance Act of 2013
Committee referralS 12452013-11-21
Energy and Water Development and Related Agencies Appropriations Act, 2014
Committee referralHR 24492013-06-27
To authorize the President to extend the term of the Agreement for Cooperation between the Government of the United States of America and the Government of the Republic of Korea Concerning Civil Uses of Nuclear Energy for a period not to exceed March 19, 2016.
Committee referralHR 8502013-06-20
Nuclear Iran Prevention Act of 2013
Cosponsor2013-02-27
SRES 454
S 2465A resolution commending the Nuclear Regulatory Commission and the Department of Energy hosting the Third International Conference on Nuclear Power Plant Life Management.
Committee referral2012-05-10
Energy and Water Development and Related Agencies Appropriations Act, 2013
Committee referral2012-04-26
HRES 568
Expressing the sense of the House of Representatives regarding the importance of preventing the Government of Iran from acquiring a nuclear weapons capability.
Cosponsor2012-03-01
SRES 380
HR 2354A resolution to express the sense of the Senate regarding the importance of preventing the Government of Iran from acquiring nuclear weapons capability.
Committee referral2012-02-16
Energy and Water Development and Related Agencies Appropriations Act, 2012
Committee referral2011-06-24
SRES 153
S 640A resolution recognizing the 25th anniversary of the Chernobyl nuclear disaster.
Committee referral2011-04-14
Furthering International Nuclear Safety Act of 2011
Committee referralS 1092011-03-17
A bill to amend the Atomic Energy Act of 1954 to require congressional approval of agreements for peaceful nuclear cooperation with foreign countries, and for other purposes.
Committee referral2011-01-25
Voting Record
HR 1: On Passage of the Bill
nay2025-07-01
HR 1: On the Motion
yea2025-07-01
HR 1: On the Motion
yea2025-07-01
HR 1: On the Motion
yea2025-07-01
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
nay2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Motion
yea2025-06-30
HR 1: On the Decision of the Chair
nay2025-06-30
HR 1: On the Motion to Proceed
nay2025-06-28