Year Purchasing power parity; international dollars (Billions) 1980 1.954 1981 2.265 1982 2.537 1983 2.646 1984 2.873 1985 3.167 1986 3.546 1987 4.003 1988 4.426 1989 4.805 1990 5.343 1991 5.768 1992 6.284 1993 6.760 1994 7.190 1995 7.655 1996 8.231 1997 8.849 1998 9.492 1999 9.878 2000 10.929 2001 11.534 2002 11.904 2003 12.866 2004 13.779 2005 14.418 2006 15.534 2007 16.868 2008 18.119 2009 18.835 2010 19.899 2011 21.137 2012 21.591 2013 22.790 2014 23.805 2015 24.934 2016 26.929 2017 28.009 2018 29.799 2019 31.175 2020 26.992 2021 29.191 2022 34.021 2023 37.683 2024 40.468 2025 42.696 2026 45.007 2027 47.383 2028 49.886 2029 52.531