BEIJING, Jan 5 (Reuters) - Net profit at China's centrally-owned firms is expected to have risen 5% year-on-year in 2022 to 1.9 trillion yuan ($277 billion), according to data from the state asset regulator on Thursday.

Operating income is seen up 8.3% from a year earlier at 39.4 trillion yuan, the data showed.

($1 = 6.8702 Chinese yuan renminbi) (Reporting by Meg Shen and Ellen Zhang Editing by Mark Potter)