Year Purchasing power parity; international dollars (Billions) 1992 13.090 1993 13.240 1994 9.344 1995 9.404 1996 9.011 1997 9.313 1998 8.805 1999 8.626 2000 9.007 2001 9.772 2002 10.698 2003 11.629 2004 12.825 2005 14.219 2006 15.361 2007 16.251 2008 17.856 2009 16.888 2010 18.307 2011 19.772 2012 21.055 2013 23.961 2014 25.218 2015 26.233 2016 29.732 2017 31.586 2018 33.634 2019 35.429 2020 32.918 2021 39.213 2022 39.882 2023 41.762 2024 43.882 2025 46.813 2026 50.085 2027 53.593 2028 57.359 2029 61.376