Aging Population Key Demographic Issue for Canada: ReportThe Institute of Marriage and Family Canada says the aging population is going to be Canada’s key demographic issue. Friends Read FreeSaveThe number of children needed to be born to each woman to maintain the population level in developed countries is 2.1. Canada's fertility rate in 2010 was 1.63. (Annett Vauteck/Photos.com)By Omid Ghoreishi2/18/2013Updated: 10/1/2015Print