Nature 236, 267 - 272 (07 April 1972); doi:10.1038/236267a0

Problems of Predicting Population

JOHN MADDOX

In the first of a series of articles on the environment, John Maddox discusses the factors and trends that will determine the future population of the world.

References

1.	United Nations Demographic Yearbook, 1970 (United Nations, 1970).
2.	World Population Prospects 1965–1985 as Assessed in 1968, UN Working Paper No. 30 (United Nations, December 1969).
3.	Census 1971, England and Wales, Preliminary Report, (HM Stationery Office, 1971).
4.	Clark, Colin, Population Growth and Land Use, (Macmillan, 1967).
5.	Keyfitz, Nathan, and Flieger, Wilhelm, Population, Facts and Methods of Demography (W. H. Freeman, 1972).
6.	Rapid Population Growth—Consequences and Policy Implications (Johns Hopkins, 1971).
7.	World Population Prospects, 1965–1985 as Assessed in 1968, UN Working Paper No. 37 (Population Division, UN Department of Economic and Social Affairs, December 1970).