Year Purchasing power parity; international dollars (Billions) 1980 2.774 1981 2.932 1982 2.998 1983 2.955 1984 3.241 1985 3.468 1986 3.653 1987 3.651 1988 4.162 1989 4.503 1990 4.947 1991 5.084 1992 5.033 1993 4.312 1994 5.017 1995 6.131 1996 6.002 1997 6.337 1998 6.263 1999 6.513 2000 6.596 2001 6.800 2002 7.170 2003 7.803 2004 7.935 2005 7.801 2006 8.255 2007 8.584 2008 9.103 2009 9.659 2010 10.348 2011 11.177 2012 11.618 2013 12.359 2014 13.251 2015 14.087 2016 14.772 2017 15.472 2018 16.585 2019 17.694 2020 18.281 2021 20.265 2022 22.952 2023 25.074 2024 27.039 2025 28.975 2026 31.144 2027 33.478 2028 35.987 2029 38.692