After no relegations from the
J2 League in 2020, in 2021 there were four relegations and the number of teams in the 2022 J3 League increased from 15 to 18. This is first and last season as 18 teams for 2022. This is last season to not feature relegation in 2022. From 2023, relegation from the J3 League to the
JFL will be made possible. == Changes from the previous season ==