Year Purchasing power parity; international dollars (Billions) 1980 8.527 1981 10.731 1982 12.061 1983 12.704 1984 13.884 1985 14.167 1986 15.310 1987 16.114 1988 17.165 1989 15.936 1990 16.268 1991 15.868 1992 18.965 1993 20.261 1994 21.729 1995 23.504 1996 24.392 1997 25.741 1998 26.865 1999 28.127 2000 29.972 2001 32.176 2002 34.827 2003 36.928 2004 41.052 2005 46.075 2006 51.540 2007 57.369 2008 62.791 2009 66.353 2010 68.714 2011 72.051 2012 74.340 2013 79.417 2014 81.884 2015 87.705 2016 90.249 2017 98.365 2018 102.549 2019 106.097 2020 106.312 2021 115.251 2022 126.361 2023 134.373 2024 141.191 2025 147.993 2026 155.305 2027 162.985 2028 171.048 2029 179.546