Two countries with the largest nuclear weapons stockpile (SIPRI Yearbook 2025)?

Explanation

– Russia and the United States hold the largest nuclear weapons stockpiles in the world, according to the SIPRI Yearbook 2025.
– The Stockholm International Peace Research Institute (SIPRI) publishes annual assessments of global military and nuclear arsenals.
– Russia and the US together possess the vast majority of the world’s nuclear warheads, a legacy of their Cold War-era arms competition.
– Other nuclear-armed states, including China, France, the UK, Pakistan, India, Israel, and North Korea, maintain significantly smaller arsenals by comparison.