The International Judo Federation (IJF) is the governing body for the sport of judo worldwide. Founded in 1951, it is responsible for organizing international competitions, including the Judo World Championships and the judo events at the Olympic Games. The IJF also establishes the rules and regulations for the sport, ensuring fair play and consistency across competitions. The headquarters of the IJF is located in Lausanne, Switzerland. The federation works to promote judo globally, supporting national federations and encouraging participation at all levels. Through various programs, the IJF aims to develop the sport and foster a sense of community among judokas around the world.