1. The world economy : historical statistics Author/Creator: Maddison, Angus Publication/Creation: Paris, France : Development Centre of the Organisation for Economic Co-operation and Development, [2003] Resource Type: Book Access & Availability: Loading
2. World population ageing, 2015 Publication/Creation: New York : United Nations, 2015 Resource Type: Book Access & Availability: Loading
3. World population at a glance : 1996 and beyond Publication/Creation: [Washington, DC] : U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census, [1996] Resource Type: Book Access & Availability: Loading
4. World population profile Publication/Creation: [Washington, D.C.] : U.S. Dept. of Commerce, Bureau of the Census, 1986-1999 Resource Type: Journal, Newspaper or Serial Access & Availability: Loading