In 1994, Ukraine signed a tripartite agreement with Russia and the United States to give up its nuclear warheads for economic compensation and security assurances. The country transferred its last nuclear warhead to Russia in 1996 and dismantled its strategic nuclear delivery vehicle in 2001.
In 1998, Pakistan became the eighth country to possess a nuclear warhead, and eight years later, North Korea became the ninth.
India had conducted its first nuclear test a few decades ago, in 1974, whereas China had completed its first test 10 years earlier, in 1964.
As of January 2021, over 13,080 nuclear warheads were