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Hiroshima for Global Peace

5. The United State ■Nuclear-Weapon State

Nuclear Disarmament

11.9 points

Full points 101


Change compared to the Hiroshima Report 2019: -4.1

The U.S. possesses 6,185 nuclear warheads, and continues to dismantle retired warheads. In August, it withdrew from the INF Treaty. While the U.S. continues to implement the New START, it has yet to indicate its position regarding its extension. The U.S. has not signed the TPNW. In the meantime, it proposed a Creating the Environment for Nuclear Disarmament (CEND), and hosted a conference. The U.S. implied a stance to rely more on nuclear deterrence by, inter alia, developing and producing low-yield nuclear warheads for SLBMs. Negative responses to the CTBT have also gradually appeared, including conducting a subcritical test in 2019. While the U.S. remains the one of the most transparent NWS on nuclear issues, it has declined in transparency, and refused to publicize the number of nuclear warheads possessed and dismantled, respectively, in 2019. It has established and led the “International Partnership for Nuclear Disarmament Verification (IPNDV).”

Nuclear Non-Proliferation

39 points

Full points 47


Change compared to the Hiroshima Report 2019: -1

After its withdrawal from the JCPOA in 2018, the U.S. called on Iran to make a new deal while bolstering sanctions on Iran, including secondary sanctions. The U.S.-North Korea summit meetings were held in February (Hanoi) and June (Panmun Branch), but little progress was achieved. It did not participate in the Conference on the Establishment of 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. In June, the U.S. convened its first summit meeting with North Korea.

Nuclear Security

24 points

Full points 41


Change compared to the Hiroshima Report 2019: -1

The United States has ratified all nuclear security-related conventions, introduced the recommended measures of INFCIRC/225/Rev.5, and has been involved in international efforts to strengthen nuclear security, including cooperation in minimizing the use of HEU as the GTRI.

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