 The 1974 Yugoslav Constitution allowed for the official recognition of the Muslims as a nationality, therefore allowing more individuals to declare their alignment with a compromise categorization of Muslims by nationality ("Muslimani"), in this case separated from a religious basis ("muslimani" without capital letter).For example, Džemal Bijedić, a communist federal prime-minister was a declared "Muslim" and an atheist.The spike in the number of self-declared "Muslims" during socialist Yugoslavia times should thus be understood as persons having a family Muslim cultural background (similar to the concept of cultural Christians), rather than practicing believers in Islam.