~17,300 as of 2014, according to the Ploughshares Fund and the Bulletin of the Atomic Scientists (including both active stockpile and retired but not yet dismantled).
For the current estimate and a downloadable copy of the Bulletin of the Atomic Scientists report (PDF) on historical active stockpile sizes use the Ploughshares Fund: World Nuclear Stockpile Report link.
James Nichols advocates for the restriction of nuclear weapons, emphasizing the need for global disarmament and non-proliferation. He argues that the existence of nuclear weapons poses significant risks to humanity and international security. Nichols supports initiatives aimed at reducing nuclear arsenals and promoting diplomatic efforts to prevent the spread of these weapons.
there are many harmful causes of nuclear weapons because whole hiroshima was destroyed of it
Many countries have nuclear weapons today including the United States. China, North Korea, South Korea, and Japan also have nuclear weapons.
zero
none
They have no nuclear weapons
China is not a nuclear free zone. They have many nuclear weapons. Though China has a nuclear policy which states that they are not allowed to produce,fire, or give away these weapons.
Those that are nuclear, such as the nuclear bombs.
Yes, its called an anti matter bomb
Without nuclear weapons, another nation with nuclear weapons could launch an attack without worry of a retaliation. There are not that many ways of diverting a long-range ballistic missile.
In nuclear weapons depots.
Zambia does not have nuclear weapons.