The world’s fleet of nuclear power capacity is expected to surge by 44% over the next decade as China will topple the United States as the biggest nuclear power capacity holder and India will hike its capacity to boost energy security. These are the estimates in a new report by BloombergNEF, which sees total global nuclear capacity at 535 gigawatts (GW) by 2036, up from the 372 GW of installed capacity as of the end of 2025. China is set to nearly double its current nuclear capacity to 102 GW from 59 GW, surpassing the U.S.