Emigration and immigration -- 9 Immigrants -- 6 Economic aspects 4 Ethnic relations 3 Emigration and immigration 2 History 2 History -- 2 more ... Minorities -- 2 Race relations 2 Social conditions -- 2 Aliens, Illegal -- 1 Chinese Americans 1 Chinese Americans -- 1 Cities and towns -- 1 Citizenship -- 1 Congresses 1 Congresses -- 1 Creative ability -- 1 Economic aspects -- 1 Economic conditions 1 Ethnic identity 1 Ethnic relations -- 1 Ethnicity -- 1 Forecasting 1 Government policy -- 1 Hakka (Chinese people) -- 1 Illegal aliens -- 1 Intellectual capital -- 1 Korean American women 1 Korean American women -- 1 less ...