The concepts described on these pages are words and expressions used in statistics with a specific, limited meaning. In everyday speech the word may have a different meaning. In connection with each definition you can find information about which sets of statistics use the concept.

If you are looking for statistical figures, go from the definition to the statistics page.

Total fertility

The total fertility rate is obtained by adding together fertility rates calculated for one year. This figure refers to the estimated number of children the woman gives birth to, provided that the fertility rate of that year prevails during the whole reproductive period of that woman on condition that she will not die before the end of the said period.



Statistics using the definition

Validity of the definition

  • Valid until (31 December 2078)

Source organisation

  • IUSSP

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