00847nam a2200217Ia 4500 0000016476 20251012174748.0 030717s2001 xxu b a000 0 eng c 9211513626 RM 104.31 UN Replacement migration is it a solution to declining and ageing populations? Department of Economic and Social Affairs, Population Division New York United Nations 2001 viii, 151 p. ill. 28 cm. "United Nations publication sales no. E.01.XIII.19"--T.p. verso. References : p. 101-110 This publication also available online at the Population Division web site Age distribution (Demography) Aged Emigration and immigration Social aspects Population Statistics 10256 10256