Year Purchasing power parity; international dollars (Billions) 1992 11.572 1993 10.957 1994 10.990 1995 11.097 1996 11.436 1997 11.790 1998 12.326 1999 13.043 2000 13.944 2001 13.821 2002 14.245 2003 14.850 2004 15.962 2005 17.240 2006 18.684 2007 20.433 2008 21.966 2009 22.022 2010 23.039 2011 24.064 2012 24.559 2013 26.270 2014 27.776 2015 28.760 2016 31.370 2017 32.458 2018 34.158 2019 36.090 2020 34.852 2021 38.094 2022 41.682 2023 43.645 2024 45.905 2025 48.443 2026 51.281 2027 54.287 2028 57.415 2029 60.560