Year Purchasing power parity; international dollars (Billions) 1980 1.010 1981 1.182 1982 1.273 1983 1.316 1984 1.397 1985 1.469 1986 1.777 1987 2.003 1988 2.231 1989 2.536 1990 2.891 1991 3.041 1992 3.211 1993 3.389 1994 3.544 1995 3.793 1996 4.011 1997 4.207 1998 4.365 1999 4.558 2000 4.743 2001 4.901 2002 5.195 2003 5.503 2004 5.856 2005 6.402 2006 6.995 2007 7.503 2008 7.710 2009 7.879 2010 8.277 2011 8.638 2012 8.922 2013 9.465 2014 9.634 2015 9.730 2016 9.698 2017 9.457 2018 9.904 2019 10.342 2020 10.315 2021 11.940 2022 12.842 2023 13.993 2024 14.861 2025 15.617 2026 16.419 2027 17.270 2028 18.113 2029 18.960