US, South Korea and Japan Recommit to North Korea's Complete Denuclearisation: The NPT, Pyongyang's Arsenal and UN Sanctions Explained
The foreign ministers of the United States, South Korea and Japan met on October 30, 2026, on the sidelines of the G20 Foreign Ministers' Meeting in Atlanta (US state of Georgia). They "reaffirmed their resolute commitment to the complete denuclearisation" of North Korea (that is, North Korea giving up all its nuclear weapons).
The three countries also promised "full implementation" of UN Security Council resolutions on North Korea, including the ban on any help that earns money for its nuclear and ballistic missile programmes.
North Korea rejects disarmament. It has written its status as a nuclear-armed state into its own law and calls its nuclear arsenal permanent and irreversible.
There is speculation about a possible meeting between the US and North Korean leaders around the APEC (Asia-Pacific Economic Cooperation) Leaders' Meeting in Shenzhen, China, on November 18–19, 2026. The US has repeatedly offered nuclear talks and has scaled back joint military drills with South Korea.
South Korea suggested in September 2026 that the US could seek a "freeze" of North Korea's nuclear programme (stopping it from growing) instead of immediate elimination, in return for sanctions relief. Critics say this risks quietly accepting North Korea as a nuclear-armed state.
On October 31, 2026, North Korea rejected a joint statement by the group of countries that now monitors UN sanctions against it, saying sanctions cannot change its position as a "nuclear weapons state".
Nuclear Non-Proliferation Treaty (NPT)
The Nuclear Non-Proliferation Treaty, or NPT, is a global agreement that tries to stop nuclear weapons from spreading to more countries. It allows five countries to keep nuclear weapons for now, asks every other member to never build them, and promises all members help with peaceful nuclear energy. In return, the five nuclear powers promise to work towards giving up their own weapons one day. Almost every country in the world has joined it, which makes it the most widely joined arms control treaty.
North Korea is the only country that has announced its exit from the NPT, and it then built nuclear weapons. When the US, South Korea and Japan demand "complete denuclearisation", they are asking North Korea to give up its weapons and, in effect, return to the position the NPT required of it. North Korea's refusal is one of the biggest challenges to the NPT system.
North Korea's Nuclear Programme
North Korea's nuclear programme is the effort by North Korea (official name: the Democratic People's Republic of Korea, or DPRK) to build nuclear weapons and the missiles to carry them. It has carried out six nuclear tests between 2006 and 2017 and now has missiles that experts believe can reach the mainland United States. It is the only country to have joined the NPT and then announced it was leaving. Today North Korea says its nuclear status is permanent and not open to bargaining.
The US, South Korea and Japan restated the goal of "complete denuclearisation", but North Korea's 2022 law and 2023 constitutional change make its weapons a fixed part of its state policy. The debate in the news, between a freeze and full disarmament, is the central question of this long-running programme.
United Nations Security Council (UNSC): Composition, Powers, and the Veto
The UN Security Council is the UN body responsible for international peace and security. It has 15 members: 5 permanent members with veto power (US, UK, France, Russia, China) and 10 non-permanent members elected for two years. Under Chapter VII of the UN Charter, its decisions on threats to peace are binding on all UN members. Article 41 lets it impose sanctions, which are measures that do not use armed force.
The three countries pledged "full implementation" of these UNSC resolutions, which ban any help that earns money for North Korea's weapons. The joint statement North Korea rejected on October 31 came from the group of countries that now monitors these sanctions after the UN panel ended.
- Meeting of US, South Korean and Japanese foreign ministers: October 30, 2026, Atlanta, on the sidelines of the G20 Foreign Ministers' Meeting
- Goal restated: "complete denuclearisation" of North Korea and full implementation of UNSC resolutions
- APEC Economic Leaders' Meeting 2026: Shenzhen, China, November 18–19 (33rd meeting); APEC has 21 member economies, secretariat in Singapore; India is not a member
- NPT: in force 1970, extended indefinitely 1995; North Korea announced withdrawal 10 January 2003
- North Korea's nuclear tests: six, from 2006 to 2017
- UNSC Resolution 1718 (2006): first sanctions on North Korea
- Russia vetoed the UN Panel of Experts' renewal in March 2024; 11-nation MSMT formed in October 2024