For that indicator, The World Bank provides data for Puerto Rico from 1960 to 2017. The average value for Puerto Rico during that period was 2.45 births per woman with a minumum of 1.1 births per woman in 2017 and a maximum of 4.66 births per woman in 1960.
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Definition: Total fertility rate represents the number of children that would be born to a woman if she were to live to the end of her childbearing years and bear children in accordance with age-specific fertility rates of the specified year.