In the wake of such a scenario, a study by Stockholm International Peace Research Institute (SIPRI) has shown that Russia and US are leading the nuclear arsenal race with over 5,000 warheads each.

An estimated 12,241 nuclear warheads were recorded in January 2025 from nine countries, namely the United States, Russia, the United Kingdom, France, China, India, Pakistan, North Korea and Israel.

An estimated 12,241 nuclear warheads were recorded in January 2025 from nine countries, namely the United States, Russia, the United Kingdom, France, China, India, Pakistan, North Korea and Israel.

The U.S., by comparison, has an estimated 5,177 nuclear warheads in its inventory, of which 3,700 are either deployed or in storage. China's nuclear arsenal has expanded to at least 600 warheads ...

THESE 9 countries together have 12,000 warheads The SIPRI Yearbook 2025 reveals that China’s nuclear arsenal is growing faster than any other country’s, by about 100 new warheads a year since ...