| SRES 377 | Senate | A resolution designating October 30, 2019, as a national day of remembrance for the workers of the nuclear weapons program of the United States. | Resolution | Died | 2019-10-30 |
| S 2727 | Senate | Smarter Approaches to Nuclear Expenditures Act | Bill | Died | 2019-10-29 |
| HR 4904 | House | Smarter Approaches to Nuclear Expenditures Act | Bill | Died | 2019-10-29 |
| HR 3405 | House | Uranium Classification Act of 2019 | Bill | Died | 2019-10-04 |
| S 903 | Senate | Nuclear Energy Leadership Act | Bill | Died | 2019-09-24 |
| HR 1760 | House | Advanced Nuclear Fuel Availability Act | Bill | Died | 2019-09-10 |
| HR 4185 | House | Nuclear Security and Nonproliferation Accounting Act | Bill | Died | 2019-08-13 |
| S 2394 | Senate | Richard G. Lugar and Ellen O. Tauscher Act to Maintain Limits on Russian Nuclear Forces | Bill | Died | 2019-07-31 |
| S 2338 | Senate | Preventing Nuclear Proliferation in Saudi Arabia Act of 2019 | Bill | Died | 2019-07-30 |
| HR 4084 | House | Otto Warmbier North Korea Nuclear Sanctions Act of 2019 | Bill | Died | 2019-07-26 |
| HRES 495 | House | Expressing the sense of the House of Representatives regarding the prevention of Iran from obtaining or developing nuclear weapons. | Resolution | Died | 2019-07-16 |
| S 1234 | Senate | Nuclear Waste Administration Act of 2019 | Bill | Died | 2019-06-27 |
| HR 3358 | House | Advanced Nuclear Energy Technologies Act | Bill | Died | 2019-06-19 |
| HR 3306 | House | Nuclear Energy Leadership Act | Bill | Died | 2019-06-19 |
| HR 3136 | House | STORE Nuclear Fuel Act of 2019 | Bill | Died | 2019-06-06 |
| HR 3042 | House | To direct the Comptroller General of the United States to carry out a study on the security impact of sexually harassing behavior in United States nuclear weapons complex sites. | Bill | Died | 2019-05-31 |
| HR 2995 | House | Spent Fuel PriĀorĀiĀtiĀzaĀtion Act of 2019 | Bill | Died | 2019-05-24 |
| HR 2960 | House | Energy and Water Development and Related Agencies Appropriations Act, 2020 | Bill | Died | 2019-05-23 |
| HRES 390 | House | 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. | Resolution | Died | 2019-05-20 |
| HRES 374 | House | Condemning Iranian state-sponsored terrorism and expressing support for the Iranian people's desire for a democratic, secular, and non-nuclear republic of Iran. | Resolution | Died | 2019-05-16 |
| SCONRES 16 | Senate | 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. | Resolution | Died | 2019-05-15 |
| HCONRES 38 | House | Expressing the sense of the 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. | Resolution | Died | 2019-05-14 |
| SRES 195 | Senate | A 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. | Resolution | Died | 2019-05-08 |
| HR 2529 | House | Richard G. Lugar and Ellen O. Tauscher Act to Maintain Limits on Russian Nuclear Forces | Bill | Died | 2019-05-07 |
| S 1330 | Senate | Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act of 2019 | Bill | Died | 2019-05-06 |
| S 649 | Senate | Nuclear Waste Informed Consent Act | Bill | Died | 2019-05-01 |
| HR 2419 | House | Nuclear Weapons Abolition and Economic and Energy Conversion Act of 2019 | Bill | Died | 2019-05-01 |
| HR 2314 | House | Nuclear Powers America Act of 2019 | Bill | Died | 2019-04-12 |
| HRES 302 | House | Embracing the goals and provisions of the Treaty on the Prohibition of Nuclear Weapons. | Resolution | Died | 2019-04-11 |
| S 1134 | Senate | Nuclear Powers America Act of 2019 | Bill | Died | 2019-04-10 |
| S 1127 | Senate | 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. | Bill | Died | 2019-04-10 |
| HR 891 | House | Nuclear Family Priority Act | Bill | Died | 2019-03-25 |
| HR 1541 | House | To require a report on Saudi Arabia obtaining nuclear fuel enrichment capabilities. | Bill | Died | 2019-03-25 |
| HR 921 | House | To establish the policy of the United States regarding the no-first-use of nuclear weapons. | Bill | Died | 2019-03-14 |
| HRES 137 | House | Expressing the sense of the House of Representatives in support of the International Atomic Energy Agency's (IAEA) nuclear security role. | Resolution | Died | 2019-03-14 |
| HR 1544 | House | Nuclear Waste Informed Consent Act | Bill | Died | 2019-03-06 |
| S 612 | Senate | Saudi Nuclear Nonproliferation Act of 2019 | Bill | Died | 2019-02-28 |
| HCONRES 23 | House | 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". | Resolution | Died | 2019-02-28 |
| HR 1471 | House | Saudi Nuclear Nonproliferation Act of 2019 | Bill | Died | 2019-02-28 |
| SCONRES 2 | Senate | A 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". | Resolution | Died | 2019-02-12 |
| S 272 | Senate | A bill to establish the policy of the United States regarding the no-first-use of nuclear weapons. | Bill | Died | 2019-01-30 |
| S 200 | Senate | Restricting First Use of Nuclear Weapons Act of 2019 | Bill | Died | 2019-01-24 |
| SRES 24 | Senate | A resolution supporting a robust and modern ICBM force to maximize the value of the nuclear triad of the United States. | Resolution | Died | 2019-01-17 |
| HR 669 | House | Restricting First Use of Nuclear Weapons Act of 2019 | Bill | Died | 2019-01-17 |
| S 512 | Senate | Nuclear Energy Innovation and Modernization Act | Bill | Enacted | 2019-01-14 |
| HR 7350 | House | No Nuclear Weapons for Saudi Arabia Act of 2018 | Bill | Died | 2018-12-19 |
| HR 7351 | House | Nuclear Cooperation Agreements Reform Act of 2018 | Bill | Died | 2018-12-19 |
| S 3785 | Senate | No Nuclear Weapons for Saudi Arabia Act of 2018 | Bill | Died | 2018-12-19 |
| HR 6140 | House | Advanced Nuclear Fuel Availability Act | Bill | Died | 2018-12-12 |
| HRES 1173 | House | Encouraging the Department of Defense and the Department of the Navy to enter into an international joint-build, cost-sharing program for the next generation nuclear-powered fast attack submarine program, and encouraging the Department of the Navy to maximize the utility of autonomous underwater vehicles. | Resolution | Died | 2018-12-11 |