Nuclear weapons by country

As of 2023, several countries are known to possess nuclear weapons. Here is a summary of nuclear-armed states and their estimated stockpiles: 1. **United States**: Approximately 3,750 nuclear warheads, including deployed, stored, and retired stockpiles. 2. **Russia**: About 6,375 nuclear warheads, making it the largest stockpile in the world. 3. **United Kingdom**: Roughly 225 nuclear warheads.