Main Year (Nominal GDP) GDP by national currency (renminbi) in main years GDP in 31 provinces of mainland China by Chinese yuan (billions) year (PPP no longer included in the table for frequent changes in its index) 23 List of 31 provincial-level administrative divisions in mainland China by Nominal GDP in 2022 (at current prices, billions of GDP) Average annual exchange rate in 2022: CNY 6.7261 per U.S.