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education Program Activities Youth Americas health care planning economics population social policy demography Europe Migrants developing country Population Dynamics minority group Developing Countries Political Factors Developed Countries policy information service economic conditions Iec Information Services United States North America Adolescent Minority Groups juvenile Western Hemisphere Article organization and management Organization And Administration Programs migration Health Planning age international migration developed country Age Factors population and population related phenomena politics Demographic Factors Emigration and Immigration Economic Factors Transients and Migrants Northern America Population Characteristics public policy Macroeconomic Factors employment