Year Purchasing power parity; international dollars (Billions) 1980 2.564 1981 2.881 1982 3.102 1983 3.185 1984 3.352 1985 3.849 1986 4.239 1987 4.334 1988 4.747 1989 5.039 1990 5.196 1991 5.859 1992 6.006 1993 6.361 1994 6.583 1995 7.105 1996 8.032 1997 8.686 1998 9.426 1999 10.260 2000 10.691 2001 11.655 2002 12.351 2003 13.578 2004 14.567 2005 16.325 2006 17.881 2007 19.120 2008 20.619 2009 21.361 2010 23.447 2011 25.515 2012 26.835 2013 28.735 2014 29.761 2015 31.033 2016 35.339 2017 39.217 2018 42.765 2019 45.868 2020 47.367 2021 52.976 2022 57.715 2023 61.949 2024 66.910 2025 72.034 2026 77.043 2027 82.359 2028 88.067 2029 94.216