Year % of working-age population 1960 82.36628075241431 1961 82.99885358362796 1962 83.5068665201159 1963 83.87932656245678 1964 84.06615435723936 1965 84.19201249067261 1966 84.3046616628501 1967 84.30829492424205 1968 84.18704754323997 1969 83.9015822573799 1970 83.34871953833044 1971 82.56038118307562 1972 81.63108043928368 1973 80.5916761925274 1974 79.56717093148757 1975 78.5967900880829 1976 77.65474021041122 1977 76.73360234033103 1978 75.86285821253665 1979 75.08903487182296 1980 74.36976304119948 1981 73.65056531521468 1982 72.97950301956054 1983 72.4388981783965 1984 72.00769390051002 1985 71.669613155324 1986 71.45314140590953 1987 71.318647206292 1988 71.1834753147287 1989 71.16595225326334 1990 71.18892193707264 1991 71.02614639774866 1992 70.73741780477916 1993 70.46118462113503 1994 70.32005292739983 1995 69.95708851691842 1996 69.20342827532274 1997 68.28511194812069 1998 67.243442237033 1999 66.1440002593693 2000 65.15166517134328 2001 64.30354770162825 2002 63.5055188538492 2003 62.64797249928202 2004 61.66687035651017 2005 60.64069739141545 2006 59.61622508723124 2007 58.60410582390514 2008 57.64400296250579 2009 56.78745866797253 2010 56.146983508561725 2011 55.71493784926794 2012 55.305547329515704 2013 54.94480945553562 2014 54.6622578040706 2015 54.33053562535392 2016 53.95687453835655 2017 53.57419937092131 2018 53.16666969279104 2019 52.87485008951639 2020 52.71220708914556 2021 52.50071980866846 2022 52.28516839259993 2023 52.14095582087922