Year Age 1950 20.85 1955 20.113 1960 19.543 1965 19.258 1970 18.796 1975 18.509 1980 17.936 1985 17.35 1990 16.537 1995 16.518 2000 16.557 2005 16.475 2010 16.208 2015 15.982 2020 16.352 2025 17.032 2030 17.795 2035 18.579 2040 19.415 2045 20.395 2050 21.55 2055 22.76 2060 24.007 2065 25.291 2070 26.633 2075 27.95 2080 29.241 2085 30.536 2090 31.821 2095 33.061 2100 34.261