Water polo at the World Aquatics Championships is an international water polo tournament held every two years as part of the World Aquatics Championships. The reigning champions are Croatia in men's and the United States in women's competition.
Final results for the water polo competition at the 1972 Summer Olympics held in Munich.
The water polo tournament at the 1984 Summer Olympics was held from 1 to 10 August 1984, at the Raleigh Runnels Memorial Pool in Malibu, California. The tournament featured 12 teams, playing two rounds of round-robin play: preliminaries and finals.
Water polo at the 1988 Summer Olympics as usual was part of the swimming sport, the other two being swimming and diving. They were not seen as three separate sports, because they all were governed by one federation — FINA. Water polo discipline consisted of one event: the men's team competition.
The 1998 Men's World Water Polo Championship was the eighth edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 7 to 18 January 1998 in the Challenge Stadium, and was incorporated into the 1998 World Aquatics Championships in Perth, Western Australia.
The 2001 Men's World Water Polo Championship was the ninth edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 19 to 29 July 2001, and was incorporated into the 2001 World Aquatics Championships in Fukuoka, Japan.
The 1994 Men's World Water Polo Championship was the seventh edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 1 to 11 September 1994, and was incorporated into the 1994 World Aquatics Championships in Rome, Italy.
The 1975 Men's World Water Polo Championship was the second edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 19 to 26 July 1975, and was incorporated into the 1975 World Aquatics Championships in Cali, Colombia.
The Greece men's national water polo team represents Greece in international men's water polo competitions and it is organized and run by the Hellenic Swimming Federation.
The Italy national water polo team represents Italy in men's international water polo competitions and is controlled by Federnuoto. The national men's team has the nickname of "Settebello", the term for the seven of diamonds in the Italian card game scopa and a pun on a standard water polo team having seven players.
The 1978 Men's World Water Polo Championship was the third edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 19 to 27 August 1978, and was incorporated into the 1978 World Aquatics Championships in West Berlin, West Germany.
The 1982 Men's World Water Polo Championship was the fourth edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 29 July to 8 August 1982, and was incorporated into the 1982 World Aquatics Championships in Guayaquil, Ecuador.
The 1986 Men's World Water Polo Championship was the fifth edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 13 to 23 August 1986, and was incorporated into the 1986 World Aquatics Championships in Madrid, Spain.
The men's tournament of Water polo at the 2016 Summer Olympics at Rio de Janeiro, Brazil, began on 6 August and ended on 20 August 2016. Games were held at the Maria Lenk Aquatics Centre and the Olympic Aquatics Stadium.
The men's water polo tournament at the 2019 World Aquatics Championships, organised by the FINA, was held in Gwangju, South Korea from 15 to 27 July. This was the eighteenth time that the men's water polo tournament has been played since the first edition in 1973.
The men's water polo tournament at the 2022 World Aquatics Championships was held from 21 June to 3 July 2022 in Budapest, Hungary. This was the 19th time that the men's water polo tournament has been played since the first edition in 1973.
Yugoslavia (in Belgrade host cities)
Hungary (1st title)
Soviet Union 
Italy 
