Summary
A simple formula is proposed for estimating the number of people who have ever lived. Using assumptions that seem reasonable, an estimate of 69 billion (1960) is obtained. The present world population is about 4 percent of this number.
Resumen
Una fórmula simple es propuesia para estimar el número de personas que han vivido. Empleando suposiciones que parecen ser razonables, se obtuvo un estimativo de 69 billiones-para 1960. La poblacion actual del mundo es alrededor del 4% de eete numero.
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© Population Association of America 1966
1966
Issue Section:
Research and Theory Notes
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