Real gross domestic product (GDP) at market prices grew by 3.2 percent during the second quarter of 2012, Statistics South Africa said on Tuesday.
This compared to a 2.7 percent increase the previous quarter.
Mining and industry contributed 1.5 percentage points to the increase in economic activity -- the largest contributor.
Finance, real estate and business services added a further 0.5 percentage points.
Wholesale, retail and motor trade, catering and accommodation contributed 0.4 percentage points.
General government services added 0.3 percentage points.
Transport, storage and communication added 0.2 percentage points.
Manufacturing and electricity, gas and water dragged down GDP, by -0.2 and -0.1 percentage points respectively.
Unadjusted real GDP at market prices for the second quarter rose by 3 percent compared with the same period in 2011.
The estimate of GDP for the first six months of 2012 increased by 2.5 percent, compared to the first six months of 2012.
Nominal GDP was estimated at R788 billion for the second quarter -- a R23 billion increase from the first quarter.