--subdivision Casualties--Statistics under individual wars, e.g. World War, 1939-1945--Casualties--Statistics; and subdivision Statistics, Vital under names of countries, cities, etc. and under ethnic groups for compilations of birth, marriage, and death statistics
Official public records of births, deaths, marriages, divorces, and other life events. For official counts of the population of a place or ethnic group, sometimes including data relating to economic and social conditions, see Census data.
