Year % of working-age population 1960 75.21136550769488 1961 75.08046486598425 1962 74.95304905518351 1963 74.95518896867691 1964 75.12702669244521 1965 75.32558576915433 1966 75.48916223209895 1967 75.65196260357112 1968 75.80509585076514 1969 75.93394683026585 1970 76.0318747034153 1971 76.09888422040414 1972 76.12405710820371 1973 76.06697889784836 1974 75.95358507078244 1975 75.82841121308587 1976 75.70059350501187 1977 75.58120092666596 1978 75.46026271829562 1979 75.33276555907345 1980 75.20184646993816 1981 75.06798131359955 1982 74.91298251151835 1983 74.7200733910766 1984 74.5069790133605 1985 74.2983573389691 1986 74.08644110944293 1987 73.87274748117304 1988 73.64995870622562 1989 73.40039923264375 1990 73.13489519199737 1991 72.83353173683192 1992 72.46924397496205 1993 72.0747174284055 1994 71.6556723391417 1995 71.1885430839585 1996 70.68141948372757 1997 70.11839269435268 1998 69.50074890568133 1999 68.84384990040107 2000 68.10687372864096 2001 67.23644341652498 2002 66.23685772730929 2003 65.1579534019958 2004 64.03482110706776 2005 62.886841867441014 2006 61.76855108066208 2007 60.69878240984015 2008 59.6604010165431 2009 58.671724741680045 2010 57.73525245616822 2011 56.82512277093842 2012 55.94474768922824 2013 55.077683299740485 2014 54.18528081407191 2015 53.301565720623266 2016 52.46276040955009 2017 51.6557137491253 2018 50.86359872800903 2019 50.08777856062475 2020 49.35909000762997 2021 48.6525395432627 2022 47.926474110002935 2023 47.16801674064256