Year Age 1950 20.79 1955 18.616 1960 17.792 1965 16.537 1970 16.333 1975 15.973 1980 16.384 1985 17.219 1990 17.922 1995 18.432 2000 19.201 2005 20.24 2010 21.887 2015 23.453 2020 25.039 2025 26.745 2030 28.421 2035 30.09 2040 31.531 2045 32.924 2050 34.275 2055 35.667 2060 37.038 2065 38.331 2070 39.513 2075 40.528 2080 41.39 2085 42.152 2090 42.863 2095 43.549 2100 44.204