On the contribution of demographic change to aggregate poverty measures for the developing world, Vol. 1 of 1

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On the contribution of demographic change to aggregate poverty measures for the developing world

Author:	Ravallion, Martin;	Collection Title:	Policy, Research working paper ; no. WPS 3580
Country:	World;	Date Stored:	2005/05/06
Document Date:	2005/04/01	Document Type:	Policy Research Working Paper
Language:	English	Region:	The World Region
Report Number:	WPS3580	SubTopics:	Rural Poverty Reduction; Health Monitoring & Evaluation; Health Indicators; Services & Transfers to Poor; Safety Nets and Transfers
Volume No:	1 of 1

Summary: Recent literature and new data help determine plausible bounds to some key demographic differences between the poor and non-poor in the developing world. The author estimates that selective mortality-whereby poorer people tend to have higher death rates-accounts for 10-30 percent of the developing world's trend rate of "$1 a day" poverty reduction in the 1990s. However, in a neighborhood of plausible estimates, differential fertility-whereby poorer people tend also to have higher birth rates-has had a more than offsetting poverty-increasing effect. The net impact of differential natural population growth represents 10-50 percent of the trend rate of poverty reduction.


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