Year % of working-age population 1960 68.79849750407749 1961 68.18115483776815 1962 67.583760724728 1963 67.13901091115206 1964 66.81871072841517 1965 66.7859765051395 1966 66.87511328620627 1967 66.93866571018651 1968 67.17757341507841 1969 67.50099149517472 1970 67.3681000304971 1971 66.77824986052102 1972 66.24651044750867 1973 65.8391053993157 1974 65.53939943156074 1975 65.27399210772548 1976 64.88874608402281 1977 64.26817677807698 1978 63.421472798785 1979 62.528199441746644 1980 61.711237980769226 1981 60.892020511307045 1982 59.97029738834354 1983 59.043651641387164 1984 58.29270858906463 1985 57.77539292390777 1986 57.36174287766339 1987 56.974466360443124 1988 56.613527214514406 1989 56.422924901185766 1990 56.7998678996037 1991 57.66251263051533 1992 58.53406388917606 1993 59.32167461579226 1994 59.95867918373264 1995 60.11184619320882 1996 59.82763615295481 1997 59.677014175488964 1998 59.758572802051056 1999 59.750494769578744 2000 59.566660842215626 2001 59.21297252633754 2002 58.801180501373864 2003 58.356722801390006 2004 57.659581457997966 2005 56.82460299418699 2006 56.251617076326 2007 56.21487176174171 2008 56.71554821792755 2009 57.33918128654971 2010 57.69243297827291 2011 57.91071078911298 2012 58.3404227472024 2013 59.22783478032096 2014 60.538606777302995 2015 61.26325526081068 2016 61.63265306122449 2017 62.000903051022384 2018 62.10154609658331 2019 62.33509234828496 2020 62.57250085295121 2021 62.79048293268491 2022 62.94272911423485 2023 63.04979951639068