In defining General Feility Rate, the denominator is
Population between 15 to 49 years of age
Women between 15 to 49 years of age
Mid year population
Live bihs
General feility rate is the number of live bihs per 1000 women in the reproductive are group ( 15-44 or 49 years) in a given year GFR = Number of live bih in an area during the year X 1000 / mid year female population age group 15-44 (or 49) in the same area in same year Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 488
Demography and family planning