FERTILITY MEASURES FACTORS AFFECTING FERTILITY Age at marriage
- Slides: 10
FERTILITY MEASURES
FACTORS AFFECTING FERTILITY: Age at marriage. Duration of married life Spacing of children Education Economic status Caste and religion Nutrition Family planning
FERTILITY RELATED STATISTICS: Birth rate: Birth rate=Number of live births during the *1000 year Estimated mid year population CBR(India)=22. 2 (Kerala)=18. 3
General fertility rate (GFR): GFR= Number of live births in an area during the year *1000 Mid-year female population age (15 -44) in the same area in the same year
Age specific fertility rate (ASFR): ASFR=Number of live births in a particular age group *1000 Mid year female population of the same age group
Total fertility rate(TFR): It represents the average number of children a woman would have if she were to pass through her reproductive years bearing children at the same rates as the women now in each group TFR = C * £ASFR 1000 TFR (India )=2. 76 (kerala)=1. 7
Gross reproduction rate(GRR): GRR= C * £ ASFR for female live births 1000
Net reproduction rate (NRR): The number of daughters a new born girl will bear during her life time assuming fixed ASFR and mortality rates.
REASONS FOR HIGHER FERTILITY RATES IN INDIA: Universality of marriage Lower age at marriage Poor level of living Limited use of contraceptives Traditional ways of life
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