The average number of children a woman will have during her lifetime The total fertility rate in developing countries is between three and four; in industrial countries it is less than two
General fertility rate is the number of births a year per 1,000 women aged 15 to 44 Total fertility rate is the number of live births per 1,000 women in their lifetime
birthrate: the ratio of live births in an area to the population of that area; expressed per 1000 population per year
Completed Fertility Rate The average number of children born to women during the childbearing years of 15 to 44 Period Fertility Rate A single-year picture reflecting each female cohort's childbearing potential, which is subject to fluctuation based upon short-term social and economic trends This rate is used in the annual calculation of live births
The number of children born in a year, usually expressed per 1 000 women in the reproductive age group