Year Purchasing power parity; international dollars (Billions) 1980 2.955 1981 3.506 1982 4.032 1983 4.433 1984 4.864 1985 5.303 1986 5.920 1987 6.282 1988 6.838 1989 7.403 1990 7.489 1991 7.030 1992 6.525 1993 6.468 1994 6.747 1995 7.328 1996 7.629 1997 8.063 1998 8.426 1999 8.807 2000 9.110 2001 9.747 2002 10.420 2003 11.407 2004 12.818 2005 14.080 2006 15.699 2007 17.537 2008 19.272 2009 18.990 2010 20.626 2011 24.692 2012 28.890 2013 30.402 2014 32.507 2015 31.928 2016 32.818 2017 35.392 2018 39.007 2019 41.884 2020 40.503 2021 43.053 2022 48.403 2023 53.691 2024 58.580 2025 63.166 2026 67.883 2027 72.882 2028 78.100 2029 83.708