The Know Nukes Quiz Nov 5, 2025 How much do you know about nuclear weapons? Our Nukes Knowledge Quiz is a quick and fun way to find out. The 10 quiz questions are pulled straight from the Beginner’s Guide to Nuclear Weapons, so whether you miss an answer or just want to know more, you can review the different sections afterwards to get up to speed. Once you're done, share your score with your friends and see if they can beat you! And If you’re shocked by what you learn, you can get involved by signing up for Back from the Brink’s mailing list at the end of the quiz. Thank you to Students for Nuclear Disarmament for allowing us to name our quiz after their initiative, the "Know Nukes Challenge." How many countries have nuclear weapons? 16 9 27 3 None How many nuclear weapons are there in the world? 1,236 78,045 12,241 650 None What percentage of the world’s nuclear weapons are possessed by the United States and Russia? 21% 8% 87% 34% None Approximately how much does the United States spend on nuclear weapons every year? $234.5 million $922 million $18.6 billion $110 billion None What 1970 international treaty – designed to prevent the spread of nuclear weapons – requires countries without nuclear weapons to renounce ever possessing them, while nuclear-armed nations promise, in exchange, to pursue nuclear disarmament? Treaty on the Prohibition of Nuclear Weapons Limited Test Ban Treaty New Strategic Arms Reduction Treaty (New START) Nuclear Non-Proliferation Treaty None In the United States, who has the authority to order the launch nuclear weapons? The President, Secretary of Defense and Secretary of State Congress Joint Chiefs of Staff & Secretary of Defense President None Starting February 5, 2026, how many treaties will exist to limit the number of U.S. and Russian nuclear weapons? 6 0 45 9 None Which of the following is the name of a program compensating those who have suffered adverse health outcomes from nuclear testing and production? Radiation Exposure Compensation Act (RECA) Aiding Nuclear Workers and Miners (ANWM) Remittance for Radiation Sickness Survivors (RRSS) Nuclear Illness Compensation Enactment (NICE) None What is the Runit Dome? A 500 square mile region of the world free from the radioactive debris of nuclear tests A concrete structure in the Marshall Islands storing 31 million cubic feet of radioactive waste from nuclear testing A powerful missile defense system capable of stopping all missile attacks over the continental U.S. A secure area in the U.S. heartland containing all the country’s missile silos None Around the world, how many nuclear weapons are estimated to be ready to launch in an instant? 300 900 1,300 2,100 None 1 out of 10 Time's up