China’s total expenditure on research and development (R&D) amounted to nearly 3.09 trillion yuan (about 456 billion U.S. dollars) in 2022, up 10.4 percent year on year, according to the National Bureau of Statistics (NBS).

http://english.www.gov.cn/archive/statistics/202301/23/content_WS63ce3db8c6d0a757729e5fe5.html