total_fertility_rate: Compute total fertility rate from age-specific fertility...

In vital: Tidy Analysis Tools for Mortality, Fertility, Migration and Population Data

Compute total fertility rate from age-specific fertility rates

Description

Total fertility rate is the expected number of babies per woman in a life-time given the fertility rate at each age of a woman's life.

Usage

total_fertility_rate(.data, fertility)

Arguments

.data	A vital object including an age variable and a variable containing fertility rates.
fertility	Variable in .data containing fertility rates. If omitted, the variable with name fx, Fertility or Rate will be used (not case sensitive).

Value

A vital object with total fertility in column tfr.

Author(s)

Rob J Hyndman

Examples

# Compute Norwegian total fertility rates over time
norway_fertility |>
  total_fertility_rate()

vital documentation built on Aug. 21, 2025, 5:34 p.m.