Dinarid, you know that Albania was atheistic country. Communist Enver Hoxha arranged the life of Albanians.
Ger Duijzings
"However, in 1967 two decades after the communist rise to power Enver Hoxha's Stalinist regime, prohibited all forms of religious activity".
In SR Serbia - AP Kosovo and Metohiya and SR Macedonia situation were completely different.
And you can see, in Albania situation changed. Enver Hoxha died 1985, over 30 years passed.
But it is natural, why people to be atheists if they don't want.
Pew gives data about every country and these data are relevant, whole world use them.
About 16% people in the world are not affiliated with religion and 3/4 are in Asia.
And what is interesting, a lot of people today think that this is century of reduction of religion, but NO.
According Pew projections 2050 about 13% people in the world will not be affiliated with religion, 3% less than today!
...
You know situation in Bosnia and Herzegovina. Similar is somewhere in the Balkans.
In principle we should believe in research organizations and their experts.
What they tell us is interesting, you should analyze their data.
According Pew
Bosnia and Herzegovina
2010
Christians 1,970,000 52.3%
Muslims 1,700,000 45.2%
2050
Christians 1,270,000 48.5%
Muslims 1,290,000 49.4%
Macedonia
2010
Christians 1,220,000 (59.3%)
Muslims 810,000 (39.3%)
2050
Christians 710,000 (42.7%)
Muslims 930,000 (56.2%)