Ten nations competed in water polo at the 1956 Summer Olympics in Melbourne.
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.
The FINA Water Polo World League was an international water polo league organized by FINA, which played annually, typically from winter through to June. League play featured continental tournaments for men and women, from which the top teams emerged to play in the championship tournament where the league champion team is crowned.
Water polo at the 2008 Summer Olympics was held from 10 August to 24 August 2008 at the Ying Tung Natatorium in Beijing, People's Republic of China.
The FINA Men's Water Polo World Cup is an international water polo tournament, organized by FINA and featuring eight men's national teams. It was established in 1979, initially taking place on odd years. Since 2002 it is held every four years, in the even-year between Olympics.
The 1986 Women's World Water Polo Championship was the first edition of the women's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 14 to 22 August 1986, and was incorporated into the 1986 World Aquatics Championships in Madrid, Spain.
The 1994 Women's World Water Polo Championship was the third edition of the women'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 1998 Women's World Water Polo Championship was the fourth edition of the women's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 8 to 16 January 1998 in the Challenge Stadium, and was incorporated into the 1998 World Aquatics Championships in Perth, Western Australia.
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 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.
Ireland is an international men's water polo team representing the island of Ireland. The Irish Water Polo Association (IWPA) was founded in 1964 and is affiliated to Swim Ireland.
The Luxembourg men's national water polo team is the representative for Luxembourg in international men's water polo.
The Singapore men's national water polo team is the representative for Singapore in international men's water polo.
The FINA Women's Water Polo World Cup is an international water polo competition contested by women's national water polo teams of the members of FINA, the aquatic sports' global governing body. The tournament was established in 1979 with an erratic schedule, was contested every two years from 1989 - 1999, and has been contested every four years since 2002.
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 FINA Water Polo World Rankings is a ranking system for men's and women's national teams in water polo. The teams of the member nations of FINA, water polo's world governing body, are ranked based on their competitions results with the most successful teams being ranked highest.
The 2019 FINA Water Polo Challengers' Cup is an international water polo tournament held at the OCBC Aquatic Centre in Singapore from 8 to 13 October 2019. It is the seventh edition of the tournament which was known as the FINA World Water Polo Development Trophy until the 2017 edition. The tournament was hosted by the Singapore Swimming Association. Ten nations participated in the Challengers' Cup.
The 2023 Men's FINA Water Polo World Cup was the 17th edition of the tournament. It will run from 8 March to 2 July 2023. The Super final will take place between 30 June and 2 July 2023 in Los Angeles, United States.
The 2023 FINA Women's Water Polo World Cup was the 18th edition of the tournament. It ran from 11 April to 25 June 2023. The Super final took place between 23 and 25 June 2023 in Long Beach, United States.
Colombia (2nd title)
