Year % of working-age population 1960 78.1172622929833 1961 78.55949677122862 1962 79.03615388737187 1963 79.6222038000066 1964 80.28369300048874 1965 80.865579555221 1966 81.36020667328972 1967 81.83346287648065 1968 82.28001173035206 1969 82.7295411203127 1970 83.20093691546195 1971 83.76148491857364 1972 84.34055776634351 1973 84.77901389257231 1974 85.08317137461616 1975 85.2765667499496 1976 85.44395619962766 1977 85.61073887409948 1978 85.74256040374156 1979 85.88363334970454 1980 86.11030240420057 1981 86.3439947390311 1982 86.44901242156378 1983 86.43507833932996 1984 86.38079159637907 1985 86.31726010375057 1986 86.19459596037004 1987 86.02614354431886 1988 85.85498469369425 1989 85.6993351428528 1990 85.52311224528927 1991 85.24991235261726 1992 84.90035164483825 1993 84.59587802227307 1994 84.11580705409145 1995 83.55017509210079 1996 83.1786662543755 1997 82.80124754797929 1998 82.19375561598154 1999 81.48445116444739 2000 80.8301255576277 2001 80.20884086891004 2002 79.66158998885706 2003 79.14024057403905 2004 78.58829694616031 2005 78.01627242496099 2006 77.50073792739173 2007 77.08988522806372 2008 76.66324547070255 2009 76.14205769170526 2010 75.5633869795224 2011 74.91291677636056 2012 74.24505685475344 2013 73.58533930800711 2014 72.90254135338172 2015 72.23669498095221 2016 71.54476810249963 2017 70.81301383253118 2018 70.09505372931218 2019 69.38841204523196 2020 68.65716948874811 2021 67.93650115666145 2022 67.2655979465868 2023 66.61301615770178