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Multilingual Demographic Dictionary, second unified edition, English volume
Migration rate
| Translation | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Section | English 815 |
Arabic 815 |
Czech 815 |
German 815 |
Spanish 815 |
French 815 |
Italian 815 |
Japanese 815 |
Portuguese 815 |
Russian 815 |
Chinese 815 |
| 815-1 | migration rate | معدل الهجرة | míra migrace | Wanderungsziffer | tasa de migración | taux de migration | tasso migratorio | 移動率 | taxa de migração | Коэффициент миграции | 迁移率 |
| 815-2 | annual migration rate | معدل الهجرة السنوي | roční míra migrace | jährliche Wanderungsziffer | tasa anual de migración | taux annuel de migration | tasso migratorio annuo | 年間移動率 | taxas anuais de migração | Среднегодовые коэффициенты миграции | 年迁移率 |
| 815-3 | annual rate of net migration | معدل صافي الهجرة السنوي | míra čisté migrace | Wanderungssaldoziffer —Netto Wanderungsziffer |
tasa anual de migración neta | taux annuel de migration nette | tasso annuo di migrazione netta | 年間純移動率 | taxa anual de migração líquida | Среднегодовые коэффициенты нетто-миграции | 年净迁移率 |
| 815-4 | annual rate of total migration | معدل ائهجرة الكلية السنوي | míra celkové migrace | Wanderungsvolumenziffer | tasa anual de migración total | taux annuel de migration totale | tasso annuo di migrazione totale | 年間総移動率 | taxa anual de migração total | Среднегодовые коэффициенты обшей миграции | 年总迁移率 |
| 815-5 | index of migration effectiveness | دليل المعاوضة | index migrační účinnosti —index efektivnosti migrace |
Effektivität der Wanderungen | índice de compensación —índice de efectividad migratoria —índice de efectividad |
indice de compensation | indice di compensazione | 移動効果指数 —効果指数 |
índice de eficácia migratória —índice de eficácia |
Показатель эффективности миграции | 迁移效率指数 —效率指数 |
The generic term migration rate 1 refers to any rate which measures the relative frequency of migration within a population. Unless indicated otherwise these rates should be taken as annual migration rates 2. They may be obtained as the ratio of the average annual number of movements during a certain period, to the average population of the period. An annual rate of net migration 3 and an annual rate of total migration 4 are calculated in a similar fashion by using the appropriate information on net and total migration. An index of migration effectiveness 5 or effectiveness index 5 is calculated as the ratio of net migration to total in- and out-migration. The range of the index is from zero, when arrivals and departures are equal in number, to one, when migration is entirely one way.
- 2. Other denominators may serve to compute the rate, such as the population at the beginning or the end of the period, or the number of person-years lived by the population of the area.
- 5. Also: Index of migration efficiency or efficiency index.
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