[1] The event was pushed back a second time to 2023 due to ongoing travel restrictions and safety measures in place in Japan.

[9] This meeting was attended by representatives of cities from six countries: Abu Dhabi (United Arab Emirates), Buenos Aires (Argentina), Istanbul (Turkey), Nanjing (China), Fukuoka (Japan), Doha (Qatar).

[11] With all other interested cities formerly withdrawing, on October 2, 2015, FINA executive director Cornel Marculescu confirmed there were three final bidders: Nanjing (China), Fukuoka (Japan), and Doha (Qatar).

[13] In a press release issued on the same day, FINA President Julio Maglione stated: “Today we were presented three extraordinary bids fulfilling all requirements and having great facilities.

Both winning cities, Fukuoka and Doha, are strong partners of FINA and will offer optimal conditions for the organisation of these Championships.

There is a very strong commitment from the local authorities to welcome this event in their respective dynamic metropolis.”[14] The Fukuoka championships had three main venue precincts.