Year Purchasing power parity; international dollars (Billions) 1980 1.845 1981 2.074 1982 2.205 1983 2.351 1984 2.455 1985 2.593 1986 2.746 1987 2.975 1988 3.289 1989 3.661 1990 3.975 1991 4.352 1992 4.811 1993 5.119 1994 5.469 1995 5.967 1996 6.319 1997 6.739 1998 7.047 1999 7.417 2000 7.509 2001 7.588 2002 7.904 2003 8.388 2004 8.626 2005 9.197 2006 9.719 2007 10.459 2008 11.068 2009 11.010 2010 11.762 2011 12.061 2012 12.703 2013 13.757 2014 14.924 2015 16.674 2016 18.079 2017 20.653 2018 22.692 2019 24.717 2020 23.001 2021 27.066 2022 31.311 2023 34.274 2024 36.870 2025 39.023 2026 41.192 2027 43.438 2028 45.823 2029 48.339