China is expanding its nuclear arsenal much quicker than anticipated, narrowing the gap with the United States, the Pentagon said in a report published.Ĭhina could have 700 deliverable nuclear warheads by 2027, and could top 1,000 by 2030 – an arsenal two-and-a-half times the size of what the Pentagon predicted only a year ago, according to the report published on Wednesday.īy comparison, the United States has about 3,750 nuclear weapons and has no plans to increase.