
The data, released by the National Bureau of Statistics, was also lower than the 8.0 per cent predicted by a poll of analysts by the US-based Wall Street Journal.
Dragging industrial production and retail consumption were the main factors slowing the gross domestic product growth in the world's second-largest economy.
Industrial output grew 9.5 in the January-to-March period from the previous year, down from 11.6 per cent in the same quarter in 2012, and retail was up 12.4 per cent, compared to the previous year's 14.8-per-centgrowth.
Growth in fixed-asset investment, a measure of government spending on infrastructure, remained strong at 20.9 per cent year-on-year in the quarter, the same rate as in 2012.
GDP growth for the whole of 2012 was 7.8 per cent, the lowest since 1999.
China has set a target of 7.5-per-cent growth for 2013.//DPA