Year % of working-age population 1960 87.23838312513647 1961 87.8371884022055 1962 88.33205220956589 1963 88.69061826659286 1964 88.87167371316188 1965 88.9104787814732 1966 88.85858402765113 1967 88.69213381559007 1968 88.40083447989626 1969 87.99508490094924 1970 87.47004172546197 1971 86.79963746764189 1972 86.0147018531933 1973 85.1799668896732 1974 84.30471537572296 1975 83.40423428093936 1976 82.49860673405955 1977 81.57270583419997 1978 80.62371646319036 1979 79.66548238240416 1980 78.69198714541866 1981 77.72234066618996 1982 76.80695083005274 1983 75.94495600616646 1984 75.10752939320065 1985 74.28131431025125 1986 73.45000576097041 1987 72.6100633247229 1988 71.77096659283691 1989 70.94155012968717 1990 70.09508222537781 1991 69.22677147616017 1992 68.35811896869797 1993 67.49068702082022 1994 66.62119843344233 1995 65.74694612176681 1996 64.85631145083185 1997 63.941192450839296 1998 63.02012752163312 1999 62.107236249305885 2000 61.21148453734652 2001 60.33422440432168 2002 59.46192142998918 2003 58.587811188560075 2004 57.71900805477026 2005 56.87481557647224 2006 56.060780888606836 2007 55.274404041054886 2008 54.51519830556635 2009 53.78455359963779 2010 53.07173784803216 2011 52.412225445051476 2012 51.811658190658086 2013 51.24019387495613 2014 50.723162901238574 2015 50.27271637983745 2016 49.867559176493494 2017 49.520030450996316 2018 49.24424243904238 2019 48.99660301857274 2020 48.72054295350073 2021 48.42284454100229 2022 48.15692805161738 2023 47.96211838699278