* All Partners were chosen among 50+ writing services by our Customer Satisfaction Team
The average for a country or the world usually is slightly higher than 2 children per couple (2.1 in the United States and 2.5 in some developing countries) because some children die before reaching their reproductive years.
total fertility rate (TFR)
Estimate of the average number of children who will be born alive to a woman during her lifetime if she passes through all her childbearing years (ages 15-44) conforming to age-specific fertility rates of a given year.
In simpler terms, it is an estimate of the average number of children a woman will have during her childbearing years.