A reproduction rate representing the average number of girls born to each woman of a population who can be expected to reach their mothers' age at the time of birth, calculated from the average fertility rates and death rates of each age group during the period considered.
Origin
1920s.
Definition of net reproduction rate in US English:
net reproduction rate
noun
A reproduction rate representing the average number of girls born to each woman of a population who can be expected to reach their mothers' age at the time of birth, calculated from the average fertility rates and death rates of each age group during the period considered.