Nuclear weapons resurgence

Nuclear resurgence refers to the re-emergence of nuclear weapons as a central issue in international security debates since the 2020s. Secretary-General of the United Nations António Guterres warned that the risk of nuclear weapon use "has reached heights not seen since the Cold War".[1] After decades of relative nuclear stability following the Cold War, recent geopolitical tensions, weakened arms control mechanisms, and strategic re-calibrations by nuclear powers have brought nuclear issues back to international relations discussions.[2][3][4] Reports suggests that nuclear armed states are modernizing and expanding their arsenals.[5][6] For example, the Stockholm International Peace Research Institute reports a "dangerous new nuclear arms race" amid weakening arms control regimes.[7] Total number of nuclear weapons remain around 12,000 warheads (about 12,321 by the beginning of 2026), with roughly 3,900 deployed on missiles and bombers.[8] About 2,100 warheads are kept on high operational alert, ready to be fired within minutes.[2][9]

Factors

Arsenal modernization

All major nuclear powers are upgrading weapons and delivery systems. For example, China's stockpile grew from about 410 to 500 warheads between 2023 and 2024, and India is believed to have expanded its arsenal again in 2024 while developing new missile and submarine-launched systems.[10][11]

Advanced capabilities

Multiple independently targetable reentry vehicle (MIRVs) and vertical launching systems are proliferating. India, Pakistan and North Korea are all developing MIRV capable missiles.[12][13][14]

References

  1. ↑ Kimball, Daryl G. (23 July 2024). "NGO Statement for the Second Preparatory Meeting for the 2026 NPT Review Conference". Arms Control Association.
  2. 1 2 "Role of nuclear weapons grows as geopolitical relations deteriorate". Stockholm International Peace Research Institute. 2024-06-17. Retrieved 2026-03-03.
  3. ↑ Salisbury, Daniel (5 November 2025). "A return to nuclear testing in an unstable age?". International Institute for Strategic Studies.
  4. ↑ Rose, Michel (2 March 2026). "France to boost nuclear arsenal, involve European allies in deterrence". Reuters.
  5. ↑ Johan, Ahlander (16 June 2025). "World entering new era as nuclear powers build up arsenals, SIPRI think tank says". Reuters.
  6. ↑ "What to know about China's newly modernized nuclear arsenal". The Washington Post. 2025-11-17. ISSN 0190-8286. Retrieved 2026-03-03.
  7. ↑ Psaropoulos, John T. "World on the cusp of a new nuclear arms race, says SIPRI". Al Jazeera. Retrieved 2026-03-03.
  8. ↑ "Status of World Nuclear Forces". Federation of American Scientists. Retrieved 2026-03-03.
  9. ↑ Peri, Dinakar (2024-06-18). "China has 500 nuclear warheads, some on high operational alert for first time: Stockholm International Peace Research Institute". The Hindu. ISSN 0971-751X. Retrieved 2026-03-03.
  10. ↑ David, Lague (22 August 2025). "SPECIAL REPORT China's growing nuclear arsenal". Reuters.
  11. ↑ "India increased its nuclear warhead count to 180 in 2024: SIPRI report". The Hindu. 2025-06-17. ISSN 0971-751X. Retrieved 2026-03-04.
  12. ↑ "Indian Test-Launch of MIRV Missile Latest Sign Of Emerging Nuclear Arms Race". Federation of American Scientists. Retrieved 2026-03-07.
  13. ↑ Levesques, Antoine (7 November 2023). "Pakistan missile test confirms its MIRV ambitions". International Institute for Strategic Studies.
  14. ↑ "North Korea says it conducted successful test of multiwarhead missile". Al Jazeera. Retrieved 2026-03-07.
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