Figure 7.1: The old-age dependency ratio, defined as population aged 65+ divided by population aged 15-64, for G7 countries, Australia and less developed regions based on the United Nations definition 70 Japan 65 manassas Italy Germany 60 -- Canada 55 UK France 50 Australia USA 45 me...=. . Less developed regions 40 Old-age dependency ratio (in %) 35 30 25 - 20 - 15 - 10 1975 1980 1965 1970 1990 2015 1985 1995 2025 2010 2000 2020 2030 2040 2035 2045 2050 1960 2005 Year Source United Nations. 1960-2010 actual, 2011-2050 forecast