Year % of working-age population 1960 75.03430792164048 1961 75.84074935011553 1962 76.62988458105495 1963 77.39636207551744 1964 77.96845795323587 1965 78.30072612396283 1966 78.55482139281806 1967 78.73409657996409 1968 78.80289052440128 1969 78.76466157296348 1970 78.63774040787382 1971 78.46030282796121 1972 78.21864510935742 1973 77.90788526278483 1974 77.55259629108313 1975 77.13738193730276 1976 76.7132169238124 1977 76.25260608173917 1978 75.7379961214733 1979 75.2246463440422 1980 74.71382175873396 1981 74.19968570247056 1982 73.72282102020014 1983 73.25850417645258 1984 72.79922467616059 1985 72.33317829027989 1986 71.82062044388105 1987 71.28495807992253 1988 70.7242970455998 1989 70.1294337835777 1990 69.48895577338321 1991 68.79272659382544 1992 68.13267529751948 1993 67.4501647715483 1994 66.65030110867849 1995 65.72690047889292 1996 64.72950886204323 1997 63.66213978111513 1998 62.52961207136191 1999 61.375208669567506 2000 60.236868540243215 2001 59.13761968558094 2002 58.09976240152829 2003 57.08546990930401 2004 56.064697984121636 2005 55.0640652827822 2006 54.076859230849415 2007 53.11445899409547 2008 52.21782190296344 2009 51.3655579984079 2010 50.53382694387596 2011 49.75687053422773 2012 49.03261594340905 2013 48.33953896670586 2014 47.66192477360897 2015 46.97766992101005 2016 46.27882142706473 2017 45.572178930987604 2018 44.88570421581209 2019 44.213095704120356 2020 43.54461304456685 2021 42.902248897779565 2022 42.25934961185201 2023 41.58549509279087