CAF: 9 out of 10 advance
CONMEBOL: 5 out of 6 advance
UEFA: 13 out of 16 advance
CONCACAF: 3 out of 6 advance (all hosts)
AFC: 2 out of 9 advance (ouch)
OFC: 0 out of 1 advance (but respectable showing)
AFC got abused in the group stage, with 7 out of 9 teams not advancing. CAF, CONMEBOL, and UEFA combined had only 5 teams not make it out of the group stage.