2015 World Aquatics Championships

16th FINA World Championships
Host city	Kazan, Russia
Date(s)	24 July – 9 August 2015
Venue(s)	Kazan Arena
Nations participating	190
Athletes participating	2,400
Officially opened by	President Vladimir Putin
Website	World Championships 2015
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The 16th FINA World Championships (Russian: Чемпионат мира по водным видам спорта 2015), also Aquatics 2015, were held in Kazan, Russia from 24 July to 9 August 2015. Russia hosted this event for the first time. The number of participating national teams (190), athletes (2,400) and the number of medals (75) were the most ever amongst these championships.^[1][2] This was the first time the World Aquatics Championships partially overlaps with the FINA World Masters Championships that have a number of athletes (near 5,500), countries (110) and medals (635) which are the most ever also.

Competitions were held in six sports (swimming, open water swimming, diving and high diving, synchronized swimming, and water polo) in three main competition venues. The new FINA High Diving discipline has been presented on the XX FINA Technical Congress and has been officially included to the FINA World Aquatics Championships program starting from the 15th FINA World Championships 2013 in Barcelona, Spain. In this 16th FINA World Championships first time the mixed-pair (female-male) duets in the synchronized swimming were included and first time the mixed command competitions in each sports were carried. This Championship is one of the qualifying events for the 2016 Summer Olympics.^[3]

At these Championships 31 countries were awarded with a medal. The most gold medals won was by China, the United States and Russia. Also, China, the United States and Australia had the most of any medals in total. This was the first time since the 2001 World Aquatics Championships that the United States did not finish in first place in the medal standings, finishing second in the medal table behind China. It was the second time that China topped the medal standings. Also, 12 world records were set at these Championships.