Year Purchasing power parity; international dollars (Billions) 1980 8.867 1981 8.755 1982 9.120 1983 9.562 1984 10.082 1985 10.521 1986 10.943 1987 11.346 1988 12.146 1989 13.137 1990 14.055 1991 13.614 1992 14.088 1993 14.725 1994 15.033 1995 15.606 1996 16.234 1997 17.124 1998 17.995 1999 19.107 2000 20.411 2001 22.118 2002 19.675 2003 22.027 2004 23.808 2005 25.722 2006 27.947 2007 30.343 2008 33.004 2009 31.886 2010 32.474 2011 33.667 2012 34.211 2013 35.257 2014 36.702 2015 37.486 2016 39.997 2017 40.515 2018 42.766 2019 45.403 2020 42.719 2021 47.242 2022 52.590 2023 56.579 2024 60.551 2025 64.453 2026 68.755 2027 73.275 2028 78.020 2029 83.089