Year Purchasing power parity; international dollars (Billions) 1980 2.480 1981 2.830 1982 3.070 1983 3.122 1984 3.368 1985 3.589 1986 3.891 1987 4.328 1988 4.476 1989 4.664 1990 4.895 1991 5.049 1992 4.990 1993 5.176 1994 5.477 1995 5.598 1996 5.961 1997 6.414 1998 6.963 1999 7.346 2000 7.887 2001 8.388 2002 8.566 2003 8.923 2004 9.878 2005 10.811 2006 11.849 2007 13.199 2008 13.750 2009 12.775 2010 12.564 2011 13.059 2012 13.472 2013 14.378 2014 15.059 2015 16.281 2016 17.938 2017 19.267 2018 20.672 2019 21.410 2020 20.188 2021 22.200 2022 25.874 2023 27.907 2024 29.077 2025 30.181 2026 31.421 2027 32.757 2028 34.225 2029 35.744