Year % of working-age population 1960 70.66279105557547 1961 71.14598122592835 1962 71.2518599282332 1963 71.00372350598751 1964 70.41975200641149 1965 69.52839523084008 1966 68.28290330313955 1967 66.74458482420054 1968 65.12387076334765 1969 63.508188394899804 1970 61.60636300423834 1971 59.606375583007186 1972 57.857147728987556 1973 56.18520978274124 1974 54.539519665227175 1975 53.01399542741988 1976 51.651364304352356 1977 50.42427331014716 1978 49.28871501334168 1979 48.25621694503261 1980 47.41194007234804 1981 46.820146892817796 1982 46.45926318639344 1983 46.24526034491267 1984 46.12071336570081 1985 46.04739878610866 1986 46.04616397329074 1987 46.19862095698494 1988 46.422103956631275 1989 46.641607777308984 1990 46.918190095404825 1991 47.247966291606694 1992 47.56989427402826 1993 47.77504131398619 1994 47.81414132064635 1995 47.74898972620439 1996 47.61955138446024 1997 47.434378131124824 1998 47.17286716967239 1999 46.7918477767263 2000 46.34462617050858 2001 45.896322681423456 2002 45.46659811872929 2003 45.07467807868754 2004 44.67374172171631 2005 44.26641063636589 2006 43.96369560409233 2007 43.836116263578795 2008 43.85425656936267 2009 43.94937033085773 2010 44.13587483853226 2011 44.535779604284556 2012 45.1839303841084 2013 45.95404000633559 2014 46.75493648617715 2015 47.59164296713763 2016 48.41410666252711 2017 49.14805394328566 2018 49.80165512867323 2019 50.4773888271786 2020 51.25569794615009 2021 52.10201833408563 2022 52.931872069348394 2023 53.73019534984294