After Vietnamese reunification , Vietnam enumerated its population by ethnicity from 1979 up to the most recent census in 2009 .
Communist North Vietnam enumerated people by ethnicity in 1960 , when Vietnam was still divided into two countries .
After Vietnam reunification , Vietnam enumerated North Vietnam 's population by ethnicity from 1979 up to the most recent census in 2009 .
Communist North Vietnam enumerated people by ethnicity in 1960 , when Vietnam was still divided into two countries .