AFC Ranking. Points are calculated from the most recent 8 seasons from 2014 to 2022 (excluding 2020)
https://www.the-afc.com/en/more/afc_ranking.html
From 2014 to 2022, Saudi Arabia won 2 AFC Champions Leagues, during that time Japan had 3, South Korea had 2, China 1, Australia 1.
IFFHS only counts goals at top senior level
https://iffhs.com/posts/3081