Population: 1990 estimate 23.5 million; 1990 annual growth rate 0.6 percent; 1988 population density about 92 per square kilometer.
Languages: Serbo-Croatian, Slovenian, and Macedonian official state languages. Main national minority languages Albanian and Hungarian.
Ethnic Groups: Serbs, Croats, Muslim, Slavs, Slovenes, Macedonians, and Montenegrins (all ethnically South Slavs, together constituting over 80 percent of total population) the main ethnic groups. Albanians and Hungarians (7.7 percent and 1.9 percent, respectively, according to 1981 census) the principal minority ethnic groups.
Education and Literacy: Education compulsory between ages seven and fifteen. Literacy estimated at 90 percent in 1990. Extensive growth in education system in post-World War II era through 1980; slower growth and restructuring in 1980s.
Health: Republic and province constitutions stipulate universal citizen rights to health care. General health insurance program covered most of population, with some exceptions in rural areas. Substantial expansion of health care resources beginning in 1960s, but disparities remained significant between rural and urban areas and between richer and poorer regions.
Religion: In 1990 Roman Catholic (30 percent), Serbian and Macedonian Orthodox (50 percent), Muslim (9 percent), Protestant (1 percent) and other (10 percent). Estimates of religious faiths vary widely.
Data as of December 1990