What countries have used a nuclear bomb?

Answer 1

The United States uses more nuclear power than any other country, around 20 percent of the power in the United States is created via nuclear power. Other countries that use nuclear power include France, Russia, and Japan. These countries all create more energy via nuclear power percentage wise, however none create nearly as many total Kilowatt hours as the United States.

Answer 2

In war? Only the US.

In tests? 8:

1. US
2. Russia
3. UK
4. France
5. China
6. India
7. Pakistan
8. North Korea

Israel probably makes it 9, but they won't confirm or deny their status.

Answer 3

The US is the only country that has dropped an atomic weapon (a nuclear bomb). Many other countries, including the US, have tested thousands of nuclear bombs.