The competition set to begin on Tuesday in the Japanese cities of Fukuoka, Nagano and Hiroshima from October 1 to 15.
Iran will start the competition with a match against Russia on Tuesday.
The 2019 FIVB Volleyball Men's World Cup will be the 14th staging of the FIVB Volleyball Men's World Cup, contested by the senior men's national teams of the members of the Fédération Internationale de Volleyball (FIVB), the sport's global governing body.