International Institute for Applied Systems Analysis (IIASA)Population Project, IIASA
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Version 1.0, Feb. 2001

Botswana population pyramid by age and sex in the years 1971, 1981, and 1991.

Note: "Not stated" population of the years 1971 and 1981 are not included.

Reference: Republic of Botswana. 1991. 1991 Population and Housing Census. Administrative/Technical Report and National Statistical Tables. Gaborone: Central Statistics Office.

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