GDP, current U.S. dollars - Country rankings:
The average for 2017 was 426.74 billion U.S. dollars.The highest value was in the USA: 19390.61 billion U.S. dollars and the lowest value was in Tuvalu: 0.04 billion U.S. dollars. Below is a chart for all countries where data are available for: GDP, current U.S. dollars.
Gross Domestic Product, billions of U.S. dollars, 2017
(billion U.S. dollars, Source: The World Bank, TheGlobalEconomy.com)