The table illustrates how many atomic weapons were owned by 7 countries in different years.
Overall, the vast majority of given countries kept the biggest number of bombs in 1990. The leaders of a nuclear industry were Russia and USA in a whole period, while Germany and Japan did not have atomic weaponry at all.
To begin, USA possessed the greatest number of the bombs in 1990, which was almost 20 times as the country had had 25 years before, 7534 and 378 units respectively. In 2005, the figure declined, and comprised 6976 units. As for Russia, there was a surge in the owned weaponry in the second year as the number of bombs increased from 196 to 4873, however, it had fallen by 20% by 2005, and made up 3995 bombs.
The third nation by nuclear weaponry was UK with the initial figure of 15 units, which grew almost 16 times in 1990 and then slightly decreased in 2005, 235 and 198 bombs respectively. Regarding China, although it kept only two-thirds of the weapons in the UK in the first year, its figure soared to 257, overtaking British reserve 25 years later; however, 2005 experienced a modest fall to 192 in Chinese weaponry. Where French weaponry is concerned, its initial number of 7 bombs squared in 1990, and then there was an insignificant fall to 32 in 2005.