The United States of America is being the top country by imports in the world. As of 2015, imports in the United States of America was 2,495,650 million volume, at constant 2005 prices - US dollars that accounts for 13.29 % of the world's imports. The top 5 countries (others are China, Germany, the United Kingdom, and France) account for 38.53 % of it. The world's total imports was estimated at 18,775,806 million volume, at constant 2005 prices - US dollars in 2015.
Imports of goods and services consist of purchases, barter, or receipts of gifts or grants, of goods and services by residents from non- residents. The treatment of exports and imports in the System of National Accounts is generally identical with that in the balance of payments accounts as described in the Balance of Payments Manual.