At exchange rates, the global economic output expanded by US$11.5 trillion from 1980 to 1990. The five largest contributors to global output contraction are Argentina, Saudi Arabia, Nigeria, the Democratic Republic of the Congo, and Venezuela. At purchasing power parity, the global economic output expanded by US$13.7 trillion from 1980 to 1990. The following two tables are lists of the 20 largest contributors to global economic growth from 1980 to 1990 by International Monetary Fund.