Problem 1. The following table gives age-specific number of women and number of births in a given year of a country. The mid-year population of the country was 45,879 and the sex ratio at birth was 1.04. Calculate the following and interpret the results: (a) Crude birth rate (CBR), (b) General fertility rate (GFR), (c) Total fertility rate (TFR)

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Demographics Methods
Problem 1.
The following table gives age-specific number of women and number of births in a given year of a
country. The mid-year population of the country was 45,879 and the sex ratio at birth was 1.04.
Calculate the following and interpret the results:
(a) Crude birth rate (CBR),
(b) General fertility rate (GFR),
(c) Total fertility rate (TFR)
(d) Gross reproduction rate (GRR)
(e) Net reproduction rate (NRR)
(f) Mean age at childbearing
Age group
Number of women
Number of births
Female survivors
per 100000 (nLx)
15-19
1410
120
498902
20-24
2325
205
496374
25-29
3309
272
491147
30-34
2286
200
488371
35-39
1213
123
485457
40-44
580
74
480583
45-49
342
21
476913
Transcribed Image Text:Problem 1. The following table gives age-specific number of women and number of births in a given year of a country. The mid-year population of the country was 45,879 and the sex ratio at birth was 1.04. Calculate the following and interpret the results: (a) Crude birth rate (CBR), (b) General fertility rate (GFR), (c) Total fertility rate (TFR) (d) Gross reproduction rate (GRR) (e) Net reproduction rate (NRR) (f) Mean age at childbearing Age group Number of women Number of births Female survivors per 100000 (nLx) 15-19 1410 120 498902 20-24 2325 205 496374 25-29 3309 272 491147 30-34 2286 200 488371 35-39 1213 123 485457 40-44 580 74 480583 45-49 342 21 476913
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