Contains data on the social, economic, and population characteristics of 22 states of Brazil in 1940, 1950, and 1960. For each of the three time periods, data are provided on the total population in urban and rural areas, industrial and commercial employment, and rural employment. Information is also provided on the literate population, eligible electorate, and actual voting electorate. The data ascertain the numbers of industrial and commercial establishments as well as membership in various unions, in art and literary associations, in sports organizations, in charitable organizations, and in Roman Catholic organizations.