Year Purchasing power parity; international dollars (Billions) 1980 2.483 1981 2.424 1982 2.712 1983 3.260 1984 3.555 1985 3.957 1986 4.277 1987 4.543 1988 5.058 1989 5.359 1990 5.738 1991 6.549 1992 6.858 1993 6.875 1994 7.408 1995 7.504 1996 7.803 1997 8.387 1998 9.071 1999 9.136 2000 9.261 2001 10.573 2002 11.650 2003 13.628 2004 18.701 2005 20.891 2006 21.895 2007 23.362 2008 24.777 2009 25.653 2010 28.681 2011 29.648 2012 28.920 2013 27.094 2014 29.930 2015 34.023 2016 32.173 2017 31.812 2018 34.453 2019 37.337 2020 37.053 2021 38.398 2022 42.366 2023 45.828 2024 48.301 2025 50.954 2026 53.364 2027 55.807 2028 58.402 2029 61.099