The United States of America is being the top country by GDP current US$ in the world. As of 1st quarter 2017, GDP current US$ in the United States of America was 4,751,800 current US$, millions, seas. adj. that accounts for 40.92 % of the world's GDP current US$. The top 5 countries (others are China, Japan, Germany, and France) account for 88.65 % of it. The world's total GDP current US$ was estimated at 11,611,974.6 current US$, millions, seas. adj. in 1st quarter 2017.
GDP is sum of gross value added, at purchaser prices converted at market exchange rates to current U.S. dollars, by all resident producers in the economy plus any product taxes (less subsidies) not included in the valuation of output. It is calculated without deducting for depreciation of fabricated capital assets or for depletion and degradation of natural resources.