Population History 57 Social conditions 45 Economic conditions 39 Race relations 28 Migration, Internal 24 African Americans 23 more ... Economic aspects 22 Minorities 20 Population forecasting 20 Demographic surveys 18 Housing 18 Emigration and immigration 17 Politics and government 16 Demography 15 Hispanic Americans 15 Ethnic relations 14 Fertility, Human 13 Market surveys 12 Metropolitan areas 11 Migrations 11 Birth control 10 Aging 9 Cities and towns 9 Consumers 9 Government policy 9 Older people 9 Social aspects 9 Colonies 8 Forecasting 8 less ...