China's fixed asset investment grew steadily by 2.9 percent year-on-year in 2020 with high-tech and social sector leading growth in particular, the National Bureau of Statistics said on Monday.

The country's total fixed asset investment amounted to 51.89 trillion yuan in 2020. Investment saw a 0.9 percent growth in basic infrastructure sector yet declined by 2.2 percent in the manufacturing sector, NBS announced.

Investment in the real estate sector grew by 7 percent compared with the 2019 level.

Growth of investment in agricultural, tertiary and service sector all turned positive last year. In particular, investment in high-tech industries grew by 10.6 percent year-on-year, 7.7 percentage points above the overall level.

The amount of investment from China's private sector reached about 28.93 trillion yuan, up by 1 percent year-on-year.