, Volume 69, Number 2

John Cleland, Professor of Medical Demography at the London School of Hygiene & Tropical Medicine
Additional author info: 

John Cleland is Professor of Medical Demography at the London School of Hygiene & Tropical Medicine

AFRICA:
Population: 874.8m
65 years and over: 3.2%
Life expectancy at birth: 54.2 years
Population in 2050: 2bn

Photo: Yann Gross/Institute

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