Nuclear stockpiles growing globally amid strained relations and modernization efforts: SIPRI report

There are more usable nuclear warheads in military stockpiles in the world than last year, according to SIPRI.
The global inventory of nuclear warheads stands at around 12,512, with 9,576 warheads in military stockpiles for potential use.
China's nuclear arsenal increased over the past year, and India and Pakistan appear to be expanding their nuclear arsenals as well.
The US and Russia possess nearly 90% of all nuclear weapons, with Russia's nuclear warhead arsenal growing slightly over the past year.
Nine nuclear-armed states are modernizing their arsenals and deploying new nuclear-armed or nuclear-capable weapon systems, according to SIPRI.