Year Purchasing power parity; international dollars (Billions) 1980 5.759 1981 6.664 1982 7.281 1983 7.649 1984 8.083 1985 8.214 1986 8.849 1987 8.995 1988 9.182 1989 10.477 1990 9.782 1991 7.282 1992 6.911 1993 7.754 1994 8.664 1995 9.633 1996 10.702 1997 9.698 1998 10.673 1999 12.219 2000 13.364 2001 14.798 2002 15.709 2003 16.905 2004 18.317 2005 19.935 2006 21.763 2007 23.690 2008 25.958 2009 26.994 2010 28.335 2011 29.655 2012 30.530 2013 30.604 2014 32.529 2015 33.595 2016 34.736 2017 37.609 2018 40.016 2019 41.538 2020 40.696 2021 46.354 2022 52.021 2023 55.695 2024 58.795 2025 61.863 2026 65.239 2027 68.773 2028 72.507 2029 76.459