Explores reasons for the recent increase in immigration into the United States, which has almost doubled since 1981. Admissions under the basic immigration system have been generously augmented by legalized aliens and refugees. Implications for the future, and probable increases, especially in the category of immediate relatives of immigrants…

Studied how acculturative stress affects self-esteem of 240 upper elementary school children in Puerto Rico, half of whom had never migrated, and half of whom had spent at least one academic year in the United States. Data suggest lower self-esteem for migrants and more disadvantages because they are placed in second-language programs and delayed…

Reviews research on the factors that affect the mental health of Puerto Ricans who migrate to the United States. Three groups are discussed: (1) those who migrate; (2) those who migrate and return; and (3) those who migrate and return more than once. (EVL)

Presents data on international migration and its effects in and between various countries in North America, Europe, and Africa. Discussions include refugee, immigrant, and migrant worker flows; the legal, political, and social problems surrounding immigrants; alien terrorism and law enforcement problems; and migrant effects on education, social…