Which Countries Have Hydrogen Bomb?
Only six countries—United States, Russia, United Kingdom, China, France, and India—have conducted thermonuclear weapon tests. (Whether India has detonated a "true" multi-staged thermonuclear weapon is controversial.) North Korea claims to have tested a fusion weapon as of January 2016, though this claim is disputed.

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Thereof, which country tested hydrogen bomb?

North Korea

Furthermore, has India tested hydrogen bomb? The Pokhran-II tests were a series of five nuclear bomb test explosions conducted by India at the Indian Army's Pokhran Test Range in May 1998. The tests achieved their main objective of giving India the capability to build fission and thermonuclear weapons with yields up to 200 Kilotons.

Simply so, does Pakistan has a hydrogen bomb?

Not that they or anyone else have announced. Pakistan has made fusion-boosted fission weapons, in which some tritium is introduced into the center of a fission bomb. It undergoes fusion, but not enough to affect the yield of the weapon directly.

How many hydrogen bombs does the US have?

Of the stockpiled warheads, the U.S. stated in its March 2019 New START declaration that 1,365 are deployed on 656 ICBMs, SLBMs, and strategic bombers.

Nuclear weapons of the United States.

United States
Largest yield test 15 Mt/63 PJ (1 March 1954)
Total tests 1,054 detonations
Peak stockpile 31,255 warheads (1967)
Related Question Answers

Does India have a neutron bomb?

Neutron bombs
R Chidambaram who headed India's Pokhran-II nuclear tests said in an interview to the Press Trust of India that India is capable of producing a neutron bomb.
Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.