Year Purchasing power parity; international dollars (Billions) 1980 4.074 1981 4.452 1982 4.830 1983 4.825 1984 4.158 1985 4.621 1986 5.013 1987 5.142 1988 5.689 1989 5.969 1990 6.111 1991 6.290 1992 6.562 1993 6.739 1994 7.011 1995 7.334 1996 7.475 1997 7.720 1998 8.586 1999 8.688 2000 8.777 2001 9.628 2002 10.258 2003 10.689 2004 11.016 2005 12.195 2006 13.317 2007 14.108 2008 15.491 2009 15.893 2010 17.466 2011 18.247 2012 20.574 2013 20.822 2014 21.910 2015 22.907 2016 23.871 2017 25.128 2018 27.505 2019 29.685 2020 31.145 2021 33.028 2022 39.562 2023 41.582 2024 47.024 2025 50.766 2026 54.781 2027 59.070 2028 63.771 2029 68.872