Year Purchasing power parity; international dollars (Billions) 1980 3.008 1981 3.393 1982 3.829 1983 4.190 1984 4.725 1985 5.106 1986 5.395 1987 5.924 1988 6.643 1989 7.461 1990 8.314 1991 8.658 1992 9.685 1993 9.984 1994 10.799 1995 12.119 1996 12.495 1997 13.046 1998 13.999 1999 14.907 2000 16.154 2001 17.170 2002 18.087 2003 18.927 2004 20.413 2005 22.075 2006 23.829 2007 25.722 2008 27.174 2009 26.790 2010 27.735 2011 28.425 2012 27.580 2013 26.248 2014 25.721 2015 27.066 2016 30.549 2017 33.033 2018 35.698 2019 38.307 2020 37.476 2021 43.079 2022 48.445 2023 51.446 2024 54.104 2025 56.641 2026 59.414 2027 62.400 2028 65.532 2029 68.776