Year Purchasing power parity; international dollars (Billions) 1980 2.109 1981 2.365 1982 2.450 1983 2.699 1984 3.159 1985 3.402 1986 3.662 1987 3.742 1988 3.885 1989 3.807 1990 3.966 1991 3.924 1992 4.278 1993 3.925 1994 2.329 1995 2.962 1996 3.366 1997 3.934 1998 4.310 1999 4.516 2000 5.005 2001 5.552 2002 6.381 2003 6.651 2004 7.338 2005 8.275 2006 9.316 2007 10.303 2008 11.673 2009 12.480 2010 13.558 2011 14.939 2012 15.713 2013 16.696 2014 18.928 2015 20.526 2016 21.976 2017 23.665 2018 26.274 2019 29.245 2020 28.630 2021 33.200 2022 38.437 2023 42.606 2024 46.658 2025 50.801 2026 55.536 2027 60.695 2028 66.336 2029 72.538