Emigration and immigration Government policy 40 Immigrants 13 Emigration and immigration law 8 Social aspects 8 Citizenship 7 Economic aspects 7 more ... Foreign workers 6 National security 6 Noncitizens 6 Politics and government 6 Boundaries 5 Civil rights 5 Cultural assimilation 5 Labor mobility 5 Legal status, laws, etc 5 Political aspects 5 Refugees 5 Economic integration 4 Asylum, Right of 3 Foreign relations 3 History 3 Human rights 3 Labor market 3 Migration, Internal 3 Muslims 3 Social integration 3 Terrorism 3 Arabs 2 Border security 2 less ...