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at this time (2013) russia has the most.
America has roughly 10000 nuclear warheads and russia has anywhere from 5200-8800
Russia
USA, Russia, and Germany.
At the current time Russia has the most, followed closely by the US. These are controlled by limits set by START. The treaty allows Russia more and higher yield bombs because their ICBMs are slightly less accurate.
at this time (2013) russia has the most.
Countries known to have hydrogen bombs in their possession include the United States, Russia, China, France, and the United Kingdom. Israel is also believed to possess nuclear weapons including hydrogen bombs, though they have not officially confirmed this.
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Actulla Russia don't about the progress they have done so is imposible to tell. Both, Russia and the US have hydrogen bombs.
It is estimated that there are around 13,410 nuclear warheads worldwide, with the vast majority being in the arsenals of the United States and Russia. This includes both hydrogen bombs and other types of nuclear weapons.
none
Russia has roughly 3500 nuclear warheads at the time of this writing and the number is slowly falling.
united states
Yes, America does possess hydrogen bombs
Various countries are known to possess hydrogen bombs, including the United States, Russia, China, France, and the United Kingdom. North Korea has also claimed to have successfully tested a hydrogen bomb.
Atomic bombs, not hydrogen..The U.S. in August 1945.
The main difference between atomic bombs and hydrogen bombs is the source of their energy. Atomic bombs rely on nuclear fission (splitting atoms), while hydrogen bombs use a two-stage process involving both fission and fusion (combining atoms). Hydrogen bombs are more powerful and destructive than atomic bombs.