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World population
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Fertility and reproduction
Families and households
Mobility, migration and foreigners
Health and mortality
Individual and population ageing, age structure
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Education, work, economy (socio-economic differences)
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Education • work • economy
Environment • development
Families • households
Fertility • reproduction
Gender issues
Health • mortality
population ageing • age structure
Mobility • migration • foreigners
Figure-3.-Proximate-determinants-and-distal-factors-of-the-sex-ratio-at-birth-
