Social conditions -- Economic conditions -- 4 Social indicators -- 2 Social prediction -- 2 Emigration and immigration 1 Emigration and immigration -- 1 Equality -- 1 more ... Ethnic relations 1 Ethnic relations -- 1 Forecasting 1 Forecasts 1 Immigrants -- 1 Income distribution -- 1 Minorities -- 1 Moral conditions 1 Politics and government -- 1 Public opinion -- 1 Race relations 1 Race relations -- 1 Social aspects -- 1 Social problems -- 1 Social values -- 1 Twentieth century -- 1 less ...