BEIJING, Jan. 25 -- Chinese banks held 194.2 trillion yuan (29.7 trillion U.S. dollars) in onshore assets at the end of 2015, according to data from China Banking Regulatory Commission.

The volume was up 15.5 percent from a year earlier, the banking regulator said.

The combined onshore assets of China's "big five" lenders, including the Industrial and Commercial Bank of China, Agricultural Bank of China, Bank of China, China Construction Bank, and Bank of Communications, came in at 73.67 trillion yuan by the end of 2015, accounting for 37.9 percent of the total assets in the industry.

By 2015, the lenders' onshore liabilities rose 14.8 percent to reach 179 trillion yuan, the data showed.