According to ican, nine countries across the world possess over 15,000 nuclear weapons with both the US and Russia maintaining an estimated 1,800 of them on high-alert status. With 7,500 warheads, Russia has the biggest nuclear arsenal worldwide, followed closely by the US with 7,200.
rounds off the top three with 300 warheads. According to ican, Israel is ambiguous about its nuclear capabilities, neither confirming nor denying it possesses such weapons. However, estimates suggest it has approximately 80 warheads. North Korea is believed to have fewer than ten nuclear weapons
, though it is not clear if it has developed the capability to deliver them.