The article lists China's first-level administrative divisions by gross domestic product (GDP). Each province's GDP is listed in both the national currency renminbi (CNY), and at nominal U.S. dollar values according to annual average exchange rates. Purchasing power parity (PPP) index changes frequently, and its relevant data is not included in the main table, only included at the end of the entry. PPP reference comes from the World Economic Outlook published by the International Monetary Fund (IMF). The average CNY exchange rate used here is from the China NBS, and CNY PPP exchange rates are estimated according to the IMF.