Year Purchasing power parity; international dollars (Billions) 1980 3.179 1981 3.520 1982 3.768 1983 4.051 1984 4.156 1985 4.440 1986 4.786 1987 5.040 1988 5.369 1989 5.500 1990 5.528 1991 6.261 1992 7.290 1993 8.457 1994 9.544 1995 9.409 1996 10.213 1997 9.730 1998 10.300 1999 10.640 2000 10.609 2001 10.835 2002 10.986 2003 12.216 2004 12.617 2005 13.566 2006 14.339 2007 15.879 2008 16.137 2009 17.340 2010 19.329 2011 19.946 2012 21.264 2013 22.453 2014 25.938 2015 27.900 2016 29.712 2017 31.313 2018 31.941 2019 33.932 2020 33.291 2021 34.546 2022 38.888 2023 41.386 2024 44.300 2025 46.749 2026 49.273 2027 51.743 2028 54.359 2029 57.122