Year Age 1950 27.54 1955 28.607 1960 29.183 1965 30.034 1970 29.844 1975 29.866 1980 30.433 1985 31.625 1990 33.413 1995 35.482 2000 37.626 2005 39.061 2010 40.596 2015 43.152 2020 45.532 2025 47.874 2030 50.131 2035 51.62 2040 52.453 2045 52.574 2050 52.275 2055 52.09 2060 52.261 2065 52.297 2070 51.93 2075 51.344 2080 50.856 2085 50.753 2090 51.011 2095 51.406 2100 51.717