Year Age 1950 20.292 1955 19.389 1960 18.498 1965 17.465 1970 17.046 1975 17.814 1980 18.607 1985 19.908 1990 21.344 1995 23.096 2000 25.098 2005 27.209 2010 29.247 2015 31.053 2020 32.74 2025 34.539 2030 36.199 2035 37.584 2040 38.543 2045 39.156 2050 39.891 2055 41.281 2060 42.634 2065 43.865 2070 44.801 2075 45.269 2080 45.465 2085 45.772 2090 46.352 2095 47.069 2100 47.725