Year Purchasing power parity; international dollars (Billions) 1980 2.497 1981 2.870 1982 2.837 1983 2.485 1984 2.407 1985 2.508 1986 2.500 1987 2.939 1988 3.292 1989 3.643 1990 3.817 1991 4.205 1992 3.975 1993 4.514 1994 4.908 1995 5.117 1996 5.768 1997 6.561 1998 7.322 1999 8.303 2000 8.557 2001 9.874 2002 10.997 2003 12.023 2004 13.359 2005 14.648 2006 16.596 2007 18.350 2008 19.990 2009 21.305 2010 23.005 2011 25.154 2012 26.277 2013 28.099 2014 30.384 2015 35.483 2016 38.371 2017 36.902 2018 39.063 2019 40.639 2020 40.674 2021 43.550 2022 48.649 2023 53.454 2024 57.466 2025 61.387 2026 65.016 2027 74.933 2028 85.565 2029 94.581