Year Purchasing power parity; international dollars (Billions) 1980 3.298 1981 3.421 1982 3.723 1983 4.012 1984 4.380 1985 4.725 1986 4.810 1987 5.010 1988 5.351 1989 5.636 1990 6.179 1991 6.946 1992 6.583 1993 7.393 1994 6.772 1995 7.870 1996 8.814 1997 9.556 1998 9.766 1999 10.255 2000 10.569 2001 10.366 2002 10.713 2003 11.547 2004 12.501 2005 13.314 2006 14.370 2007 16.176 2008 17.747 2009 19.344 2010 20.925 2011 22.393 2012 22.415 2013 24.722 2014 24.747 2015 24.133 2016 25.100 2017 26.013 2018 27.778 2019 29.783 2020 30.451 2021 33.302 2022 35.932 2023 37.837 2024 40.029 2025 42.283 2026 44.932 2027 47.841 2028 50.987 2029 54.352