Private sector forecasters say growth in the world's No. 2 economy at best came in slightly above the previous quarter's 6.9 per cent and at worst fell as low as 6.4 per cent. That would be less than half 2007's peak of 14.2 per cent.
But it would be the second-strongest among major countries, surpassed only by India, which is one-tenth China's size.
Growth has fallen steadily over the past five years as the ruling Communist Party tries to steer away from a worn-out model based on investment and trade to self-sustaining growth driven by domestic consumption and services. For the full year, the International Monetary Fund and private sector forecasters expect 2015 growth to have slowed to 6.8 per cent.
Forecasters say retail sales and other industries likely improved in December, suggesting government spending and repeated interest rate cuts have helped to put a floor under the downturn. Lending growth in December exceeded forecasts.
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Surveys showed manufacturing activity weaker than forecast, but analysts say it still grew. Investment in factories, housing and other fixed assets also is expected to have ticked up, helped by heavier government spending on public works construction. Nomura analyst Brian Tan expects 4Q growth to be slower than 3Q, mainly due to weaker financial services, but says the "timelier December slew of data should hint that growth is stabilising."
Weakness in investment or consumer spending could hurt demand for technology and higher-margin manufactured goods from Europe, the United States and Japan.
The collapse of a Chinese stock price bubble in June fueled fears abroad and raised doubts about Beijing's management skills but had little impact on the rest of the economy. Chinese stocks have little connection to what the ruling party calls the "real economy.