Year Purchasing power parity; international dollars (Billions) 1980 6.037 1981 6.944 1982 7.951 1983 7.822 1984 8.408 1985 8.959 1986 9.424 1987 10.246 1988 10.544 1989 11.394 1990 11.740 1991 12.447 1992 12.889 1993 13.368 1994 13.622 1995 14.755 1996 15.307 1997 15.994 1998 17.139 1999 18.421 2000 19.570 2001 20.874 2002 21.213 2003 22.842 2004 24.545 2005 26.406 2006 27.854 2007 29.418 2008 31.095 2009 32.148 2010 33.642 2011 34.794 2012 36.714 2013 37.797 2014 40.124 2015 43.318 2016 46.119 2017 49.402 2018 53.672 2019 57.090 2020 58.621 2021 65.318 2022 72.713 2023 78.455 2024 86.978 2025 97.531 2026 104.490 2027 111.946 2028 120.104 2029 127.334