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. CopyFacebookXTruthGettrLinkedInTelegramEmailSaveThe 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.comBy Omid Ghoreishi2/18/2013Updated: 10/1/2015Print