World population prospects : the 2008 revision.
United Nations.Department of Economic and Social Affairs.Population Division.
New York : United Nations,
2009.
"ST/ESA/SER. A/287."
"ST/ESA/SER. A/291."
"Sales No.: 10.XIII.2."
"Sales No.: 10.XIII.3."
Includes bibliographical references.
Vol. I: comprehensive Tables. -- Vol. II: sex and age distribution of the world population.