"The divisions within Islam have existed for so long that Sunni and Shia have become recognized as established sects – groups that have broken from denominations or ecclesiae and have existed long enough to acquire a large following and widespread respectability...Today Shiite Islam predominates in the Islamic republic of Iran (95%) and Sunni Islam predominates in the Islamic Republic of Pakistan (77%) and Afghanistan (80%)"
January 1, 1970
https://en.wikiquote.org/wiki/Denomination