Year Purchasing power parity; international dollars (Billions) 1980 2.658 1981 2.825 1982 3.189 1983 3.539 1984 3.754 1985 4.032 1986 4.220 1987 4.485 1988 4.747 1989 5.047 1990 5.291 1991 5.241 1992 5.156 1993 5.294 1994 5.577 1995 5.944 1996 6.308 1997 6.734 1998 7.131 1999 7.749 2000 8.253 2001 8.660 2002 9.033 2003 9.095 2004 9.422 2005 10.047 2006 10.618 2007 11.063 2008 11.014 2009 10.619 2010 10.914 2011 11.207 2012 11.713 2013 11.510 2014 12.162 2015 12.467 2016 12.716 2017 13.594 2018 14.311 2019 14.443 2020 11.194 2021 13.695 2022 16.766 2023 18.125 2024 18.989 2025 19.672 2026 20.363 2027 21.059 2028 21.779 2029 22.528