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3.7 Total Fertility Rate

Part of Populations in AP® Environmental Science. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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Total fertility rate (TFR) is the average number of children a woman is expected to have during her reproductive lifetime, assuming current age-specific birth rates remain constant. TFR is one of the most important demographic numbers; small changes have huge long-term effects on population size.

In this unit

9 lessons

  1. 3.1Generalist and Specialist SpeciesPreview lesson
  2. 3.2K-Selected r-Selected SpeciesPreview lesson
  3. 3.3Survivorship CurvesPreview lesson
  4. 3.4Carrying CapacityPreview lesson
  5. 3.5Population Growth and Resource AvailabilityPreview lesson
  6. 3.6Age Structure DiagramsPreview lesson
  7. 3.7Total Fertility RateThis lesson
  8. 3.8Human Population DynamicsPreview lesson
  9. 3.9Demographic TransitionPreview lesson

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