The total fertility rate (TFR), sometimes also called the fertility rate, period total fertility rate (PTFR) or total period fertility rate (TPFR) of a population is the average number of children that would be born to a woman over her lifetime if
- she were to experience the exact current age-specific fertility rates (ASFRs) through her lifetime, and
- she were to survive from birth through the end of her reproductive life.
It is obtained by summing the single-year age-specific rates at a given time.
Read more about Total Fertility Rate: Parameter Characteristics, Population-lag Effect, Developed or Developing Countries, United States, World Extremes, Europe, Factors
Famous quotes containing the words total, fertility and/or rate:
“Of lower states, of acts of routine and sense, we can tell somewhat; but the masterpieces of God, the total growths and universal movements of the soul, he hideth; they are incalculable. I can know that truth is divine and helpful; but how it shall help me I can have no guess, for so to be is the sole inlet of so to know.”
—Ralph Waldo Emerson (18031882)
“Dancing with abandon, turning a tango into a fertility rite.”
—Marshall Pugh (b. 1925)
“At this very moment,... the most frightful horrors are taking place in every corner of the world. People are being crushed, slashed, disembowelled, mangled; their dead bodies rot and their eyes decay with the rest. Screams of pain and fear go pulsing through the air at the rate of eleven hundred feet per second. After travelling for three seconds they are perfectly inaudible. These are distressing facts; but do we enjoy life any the less because of them? Most certainly we do not.”
—Aldous Huxley (18941963)