Lifetime probability of additional births by age and parity for American women, 1935–1968: A new measurement of period fertility
Author(s) -
Chal Bin Park
Publication year - 1976
Publication title -
demography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.099
H-Index - 129
eISSN - 1533-7790
pISSN - 0070-3370
DOI - 10.2307/2060417
Subject(s) - fertility , parity (physics) , demography , total fertility rate , birth rate , statistics , population , mathematics , family planning , research methodology , sociology , physics , particle physics
A new fertility measurement, probability that a woman of specified parity and age will bear a given number of births in her remaining lifetime, is proposed in this article. The measurement is a summary index of a set of age-parity-specific birth probabilities and in a particular case it is conceptually analogous to the total fertility by birth order but free from the influence of the parity distribution. Fertility of American women for the period 1935–1968 was studied by use of such lifetime probabilities. It appears that the trend of fertility of high birth orders has been parallel with that of low orders. Initiation of the recent decline in fertility depends on parity and age of woman.
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