Year % of working-age population 1960 75.7815251587041 1961 76.12635033228366 1962 76.39364444901632 1963 76.7052065183233 1964 77.3022694513472 1965 77.68268557268172 1966 77.68409467973385 1967 77.73404851987407 1968 77.81745917663294 1969 77.94047892603187 1970 78.11165019861961 1971 78.30478083636095 1972 78.51659953254435 1973 78.77086656306902 1974 79.12521081110948 1975 79.6878552946099 1976 80.49820296451652 1977 81.4686162436475 1978 82.43561540077951 1979 83.24516221297985 1980 83.8028201502573 1981 84.09274574094984 1982 84.1726519436121 1983 84.14494361050883 1984 84.08499632192213 1985 83.99097842356606 1986 83.86973902194941 1987 83.73967256810208 1988 83.60269024157691 1989 83.47467357673477 1990 83.38637552640692 1991 83.36255470184581 1992 83.39082404181111 1993 83.44304714546892 1994 83.44389686913442 1995 83.31305365728977 1996 83.02382697176563 1997 82.42922462133514 1998 81.5120186279778 1999 80.41026175987095 2000 79.16293425517485 2001 77.76498919856925 2002 76.19035346697767 2003 74.4201841107887 2004 72.46800147386774 2005 70.20586355249498 2006 67.74679554177119 2007 65.41302071727411 2008 63.29357575046599 2009 61.41856064790838 2010 59.74979281261508 2011 58.221296176742456 2012 56.800016260207485 2013 55.42125858253865 2014 54.04177862945539 2015 52.82131282206921 2016 51.824234164491166 2017 50.967525193952824 2018 50.210597156260114 2019 49.487274248989635 2020 48.75795677966461 2021 47.99413319595776 2022 47.21230844282941 2023 46.445285061134356