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  • Title: [Age-specific fertility rates and total fertility rates for selected countries: latest available years].
    Journal: Jinko Mondai Kenkyu; 1987 Jul; (183):57-62. PubMed ID: 12155026.
    Abstract:
    Age-specific fertility rates and total fertility rates for selected countries are reported. This statistics was prepared by Yamaguchi and Bando of Population Information Division, Institute of Population Problems of Japan, from UN Demographic Yearbook, 1985. It should serve as good research material for comparative analysis, for it shows some recent drastic changes in fertility rates in some parts of the world. The countries are listed by major regions following UN method. Total fertility rates are calculated with total female population aged 15 to 49 as the denominator. Fertility rates are listed for only those countries which have at least 100 births in that particular year. If age-specific column births were below 30, then the fertility rate is marked with a special symbol. The last table shows changes in total fertility rates among selected nations from 1950 to 1984. Neither Africa nor South America is represented in this table. Some drawbacks concerning the statistical data include methods and rates of birth registration, handling of causes of death before registration and/or within 24 hours of births, method of defining maternal age, etc. Fertility rates are based on the data collected at birth registration, not at birth. Hence high fertility rate at ages 45-49 may represent a high registration rate rather than a high birth rate. Mothers' age distribution for legitimate births differs from that for illegitimate births. More mothers' ages are unknown in cases of illegitimate births. Urban/rural fertility rates are influences by each country's definition of the terms and by the use of census data or dynamic statistics.
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