glossary    * G *
Demographical and statistical terms Symbols
general fertility rate
ratio of the number of live births in a period to the number of person-years lived by women of childbearing ages during the period. 		 
generation
has been given a precise meaning and refers to a group of persons born within a specified period of time, generally taken as a calendar year. 		 
gross reproduction rate (female)
is computed similarly to net reproduction rate, on the assumption that mortality before the end of the reproductive age is zero. 		GRR

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