People > Migration Stats: compare key data on France & Iran
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Definitions
- Net migration rate: The difference between the number of persons entering and leaving a country during the year per 1,000 persons (based on midyear population). An excess of persons entering the country is referred to as net immigration (e.g., 3.56 migrants/1,000 population); an excess of persons leaving the country as net emigration (e.g., -9.26 migrants/1,000 population). The net migration rate indicates the contribution of migration to the overall level of population change. High levels of migration can cause problems such as increasing unemployment and potential ethnic strife (if people are coming in) or a reduction in the labor force, perhaps in certain key sectors (if people are leaving).
- Refugees: Refugees (number in each country, 1990-99)
- Refugees > Convention on refugees: Date of ratification of the United Nations Convention relating to the Status of Refugees. "a" denotes accession. "d" denotes succession.
- Refugees per 1000: Refugees (number in each country, 1990-99). Figures expressed per thousand population for the same year.
SOURCES: All CIA World Factbooks 18 December 2003 to 18 December 2008; United Nations World Statistics Pocketbook and Statistical Yearbook; United Nations Treaty Collection; United Nations World Statistics Pocketbook and Statistical Yearbook. Population figures from World Bank: (1) United Nations Population Division. World Population Prospects, (2) United Nations Statistical Division. Population and Vital Statistics Report (various years), (3) Census reports and other statistical publications from national statistical offices, (4) Eurostat: Demographic Statistics, (5) Secretariat of the Pacific Community: Statistics and Demography Programme, and (6) U.S. Census Bureau: International Database.
