The United States of America is the top country by real gross fixed capital formation in the world. As of 2015, real gross fixed capital formation in the United States of America was 3,090,393 million volume, USD, 2005 prices that accounts for 21.39 % of the world's real gross fixed capital formation. The top 5 countries (others are China, Japan, Germany, and India) account for 56.11 % of it. The world's total real gross fixed capital formation was estimated at 14,448,951 million volume, USD, 2005 prices in 2015.
Gross fixed capital formation is measured by the total value of a producer’s acquisitions, less disposals, of fixed assets during the accounting period plus certain additions to the value of non- produced assets (such as subsoil assets or major improvements in the quantity, quality or productivity of land) realised by the productive activity of institutional units.