99.9% of jews from north africa had to leave their homes after 1948 or after 1967. so saying that those countries "host jewish comminutes of their own" is far fetched

morocco went from 250000 to 2000

algeria went from 130000 to 200

tunisia went from 105000 to 1000

libya went from 40000 to 0

https://en.wikipedia.org/wiki/Maghrebi_Jews#Communities