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The World Aquatics Junior Artistic Swimming Championships is an international, synchronized swimming event organized by World Aquatics held every 2 years. It was first held in 1989, and 2012 saw its thirteenth edition.
The event features competition in five artistic swimming event categories (Solo, Duet, Team, Free Combination, Highlight). Free Combination was added to the program beginning in 2002 and Highlight was added to the program starting in the 2022 edition.
For the editions of the Championships between 1989 and 2016, inclusive, the name of the Championships at the time of competition was FINA World Junior Artistic Swimming Championships, but following a name change of the sport from synchronised swimming to artistic swimming in 2017, which corresponded with a change in performance evaluation criteria, the name of the Championships at the time of competition was changed to FINA World Junior Artistic Swimming Championships for all subsequent editions (2018 and 2022).