Migrations History 348 Emigration and immigration 251 Social conditions 144 Jews 110 African Americans 90 Human beings 90 more ... Migration, Internal 86 Ethnic relations 83 Immigrants 81 Ethnic identity 57 Social aspects 44 Politics and government 43 Race relations 42 Social life and customs 40 Antiquities 38 Government policy 30 Rural-urban migration 30 Refugees 29 African diaspora 26 Africans 24 Transnationalism 24 Indians of North America 23 Population 23 Economic conditions 21 Human geography 21 Origin 19 Prehistoric peoples 19 Relations 19 Excavations (Archaeology) 18 less ...