Human population growth and the demographic transition - NCBI - NIH [PDF]

Past trends in fertility and mortality have led to very young populations in high fertility countries in the developing

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Idea Transcript


Philos Trans R Soc Lond B Biol Sci. 2009 Oct 27; 364(1532): 2985–2990.

PMCID: PMC2781829

doi: 10.1098/rstb.2009.0137

Human population growth and the demographic transition John Bongaarts * The Population Council, One Dag Hammarskjold Plaza, New York, NY 10017, USA * Email: [email protected] Copyright © 2009 The Royal Society This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This article has been cited by other articles in PMC.

ABSTRACT

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1.INTRODUCTION

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2.FUTURE POPULATION TRENDS

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3.DRIVERS OF POPULATION GROWTH: FERTILITY AND MORTALITY

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(a) Fertility

(b) Mortality and life expectancy

4.CHANGING POPULATION AGE COMPOSITION

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(a) The age-dependency ratio

(b) Population momentum

5.CONCLUSION

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FOOTNOTES

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One contribution of 14 to a Theme Issue ‘The impact of population growth on tomorrow's world’.

REFERENCES

Articles from Philosophical Transactions of the Royal Society B: Biological Sciences are provided here courtesy of The Royal Society

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