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A comprehensive overview of the eight sovereign states that have publicly announced successful detonation of nuclear weapons, their number, year, and delivery methods. Also includes information on states that formerly possessed nuclear weapons, states that are believed to have nuclear weapons, and nuclear weapons sharing.
Learn about the current and historical nuclear weapons stockpiles of nine countries, including the U.S. and Russia. Find out how nuclear weapons are used, tested, and controlled by treaties and agreements.
Learn about the number, power, and history of nuclear weapons by country. See data and charts on how many states have nuclear weapons, how many warheads they possess, how many oppose them, and how this has changed over time.
A data visualization that shows how countries have changed their stance on nuclear weapons over time, from 1938 to 2023. See the sources, processing, and citation of the data and learn how to reuse it.
What countries have nuclear weapons? In the world today, nine countries currently possess nuclear weapons, including the five major countries that occupy the five permanent slots on the United Nations Security Council. Every Country in the World that Has Nuclear Weapons (and How Many They Have)
See how many nuclear warheads each of the nine nuclear-armed countries has in 2023, according to SIPRI data. Learn about the history and current status of nuclear weapons use and disarmament.
9 Ιαν 2024 · See the data and visualizations on the estimated number of nuclear warheads in the stockpiles of nuclear powers from 1945 to 2023. The data is based on publicly available information, historical records, and occasional leaks from the Federation of American Scientists.
