The number of employed workers in China rose by 2.84 million to 767.04 million in 2012, the Ministry of Human Resources and Social Security said in an announcement released on its website Tuesday.

The average annual wages of the country's non-private and private sectors reached 46,769 yuan ($7,633)  and 28,752 yuan in 2012, up 11.9 percent and 17.1 percent respectively from the previous year, according to the announcement.

The announcement also revealed that a total of 25 provinces and municipalities hiked minimum wage levels last year, with the raises averaging 20.2 percent from a year earlier.