China's consumer price index, a main gauge of inflation, grew 0.8 percent year-on-year in January, the slowest rise in more than five years.
China's services purchasing managers' index (PMI) posted 51.8 in January, down from 53.4 in December, announced HSBC Bank (China) on Wednesday.
China's fiscal revenue last year recorded its slowest growth since 1991, while fiscal expenditure also slowed to a record low not seen since 1987.
Merger and acquisitions activity reached a record high in China last year, with the number of deals amounting to 6,899 and the total value surging to $407 billion.
Profits of Chinese industrial businesses hit 6.47 trillion yuan in 2014, up 3.3 percent year on year. The growth rate was 8.9 percentage points lower than that of 2013.
China's registered unemployment rate in urban areas stood at 4.09 percent in 2014, slightly down from 4.1 percent recorded in 2013.
China's manufacturing growth stalled for the second straight month in January and companies had to cut prices at a faster clip to win new business.
China continued to see a surplus in its foreign exchange settlement in 2014, but the volume narrowed significantly, indicating easing capital inflows to the country.
China's farm produce prices in 36 large and medium-sized cities edged up slightly in the week ending Jan 18 compared with the previous week.
For the first time in its history, China has become a net capital exporter with outbound direct investment outnumbering foreign direct investment in 2014.
Industrial output in China grew 8.3 percent in 2014 from a year ago, down from the 9.7 percent growth seen in 2013.
China's economy grew 7.4 percent in 2014, the weakest annual expansion in 24 years, but still in line with market expectations.
China created more jobs in 2014, with the number of employed in urban areas increasing by 13.22 million.
China made progress in improving its economic structure in 2014, though its annual economic growth rate came in at a 24-year low.
China's electricity consumption, a key indicator of economic activity, rose 3.8 percent year on year in 2014.
China's producer price index, which measures inflation at wholesale level, dropped 3.3 percent year on year in December.
China's consumer prices grew 2 percent in 2014 from one year earlier, well below the government's 3.5 percent target set for the year.
The purchasing managers' index (PMI) for the non-manufacturing sector rebounded to 54.1 in December from 53.9 in November.
The manufacturing purchasing manager's index, a measure of factory activity in China, posted at 50.1 in December, down 0.2 percentage point from November, according to NBS data.
China's consumer price index (CPI), the main gauge of inflation, is estimated to grow by about 1.4 percent in December from a year earlier.