The size of China’s nuclear arsenal increased from 350 warheads in January 2022 to 410 in January 2023.
According to SIPRI estimates, the nuclear arsenals of India grew from 160 in 2022 to 164 in 2023 and that of Pakistan from 165 to 170.
The nine nuclear-armed states are: the United States, Russia, the United Kingdom, France, China, India, Pakistan, the Democratic People’s Republic of Korea (North Korea) and Israel.