Hiroshima Report 20245. The United States ■Nuclear-Weapon State
| Nuclear Disarmament | 18.8 Points | Full Points 109 | 17.2% |
| Change compared to the Hiroshima Report 2023 -5.4 | |||
| The U.S. is estimated to possess approximately 5,200 nuclear warheads, the second largest NWS next to Russia, and continues to reduce the number. In response to the suspension on implementing the New START by Russia, the U.S. launched a countermeasure. The country has called for arms control dialogue with Russia and China, but has not yet achieved concrete results. The U.S. has not signed the TPNW. Its plans to modernize nuclear forces would continue and the deployment of SLBMs with low-yield nuclear warheads would be maintained. The U.S. stated that it would not adopt policies such as no first use of nuclear weapons or the sole purpose of nuclear weapons. While the U.S. has not ratified the CTBT, it expressed its intention to make efforts toward a treaty’s entry into force. It remains the one of the most transparent NWS on nuclear issues. It has established and led the “International Partnership for Nuclear Disarmament Verification (IPNDV).” It voted in favor of the UNGA resolution on nuclear disarmament proposed by Japan. | |||
| Nuclear Non-Proliferation | 39 Points | Full Points 47 | 83% |
| Change compared to the Hiroshima Report 2023 ０ | |||
| Regarding an (interim) Iran nuclear deal, the U.S. joined indirect negotiations with Iran and other countries concerned. However, they could not reach an agreement to reconstruct a deal. It abstained the UNGA Resolution on the Establishment of a WMD-Free Zones in the Middle East, and did not participate in the Conference on the Establishment of a WMD-Free Zones in the Middle East. The U.S. has proactively led the efforts to bolster nuclear non-proliferation, including contributions to the IAEA safeguards systems and implementation of stringent export controls. It acceded to the IAEA Additional Protocol with the provision for complementary access visits. The U.S. submitted a report based on the Guidelines for the Management of Plutonium to the IAEA. It continues to engage discussions with the IAEA regarding the implementation of safeguards on nuclear fuel for Australia’s nuclear-powered submarines, which is being promoted by Australia, the U.K. and the U.S. | |||
| Nuclear Security | 20 Points | Full Points 38 | 52.6% |
| Change compared to the Hiroshima Report 2023 -1 | |||
| The U.S. has ratified all nuclear security-related conventions and established a national implementation system for A/CPPNM. It has made efforts to strengthen measures against insider threat and cyber threat. The U.S. received an IPPAS mission in 2013. It is vigorously supporting other countries’ HEU minimization efforts. The U.S. participates in all INFCIRC initiatives and continues to contribute to the NSF. The U.S. is keen to address insider threats and cybersecurity measures. | |||
