Population Housing Population forecasting Fertility, Human Population--Statistics Economic development Economic policy International business enterprises Underdeveloped areas Economic history Finance Population policy Economic conditions Birth control Demography Fertility, Human--Statistics Mortality Population--addresses, essays, lectures Public welfare Congresses Economic integration Government business enterprises Older people--Statistics Public administration Research Social change Water resources development *International business enterprises Abortion--Government policy--Cross-cultural studies Abortion--Law and legislation--Cross-cultural studies