[Note on measurement of parity-specific birth rate by age of mother and marriage duration derived from the 1980 census returns with questionnaires on children ever born and marriage duration].
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D000367:Age Factors; D001208:Asia; D001723:Birth Rate; D003710:Demography; D019049:Developed Countries; D005202:Asia, Eastern; D005298:Fertility; D007564:Japan; D017533:Marital Status; D011153:Population; D011157:Population Dynamics; D012106:Research; D013223:Statistics as Topic
Age Factors; Asia; Birth Rate; Data Analysis; Demographic Factors; Developed Countries; Eastern Asia; Fertility; Fertility Measurements; Japan; Marital Status; Population; Population Dynamics; Research Methodology