The FINA World Junior Diving Championships are held every two years, bringing together young prospects from the strongest nations in the sport to compete at world level.

Due to the COVID-19 pandemic, the FINA World Junior Diving Championships scheduled for 2020 got rescheduled to 02-09 December 2021. The eligible age groups for this competition was revised and is as below

Age Group A: 17, 18 and 19
Age Group B: 15 and 16

This will ensure that divers who were eligible to compete in 2020 can still compete in this competition.