 The tournament is organized by the world governing body of badminton Badminton World Federation (BWF).BWF World Championships is an annual tournament, occurring every year except the year in which Summer Olympic Games are celebrated, as in this year Olympics gold medal is considered to be the world title.The tournament was first held in 1977 in Malmö, Sweden and celebrated every three years until 1983, after which, it became a biennial event, and played once every two years until 2005.