| NPT entered into force |
1970 |
| NPT three pillars |
Non-proliferation, disarmament, peaceful use of nuclear energy |
| Countries not signed NPT |
Israel, India, Pakistan |
| Nuclear-armed states (9) |
Russia, USA, France, UK, China, India, Pakistan, Israel, North Korea |
| Total nuclear warheads (Jan 2025) |
12,241 (90% US & Russia) |
| Key disagreements |
Iran's nuclear programme, North Korea references, US-Russia New START successor |
| New START treaty expired |
February 2026 |
| SIPRI |
Stockholm International Peace Research Institute |
| ICAN |
International Campaign to Abolish Nuclear Weapons |
FAQs
Q1: When did the UN nuclear talks fail?
Ans: The talks failed on 22 May 2026 after four weeks of negotiations.
Q2: How many times have NPT review conferences failed in a row?
Ans: Three times – in 2015, 2022, and 2026.
Q3: Which countries have not signed the NPT?
Ans: Israel, India, and Pakistan have not signed the treaty.
Q4: How many nuclear warheads exist in the world?
Ans: As of January 2025, there were 12,241 nuclear warheads, with 90% owned by the United States and Russia.
Q5: What is the New START treaty?
Ans: It was a treaty between the US and Russia limiting their nuclear arsenals. It expired in February 2026, and no successor has been agreed yet.
Month: Current Affairs - May 23, 2026
Category: International Relations