>The median return was 8.5 per cent in the year to December 2014, said the researcher.
Longer-term results have also been solid, with a median return of 13.2 per cent over three years, 8.1 per cent over five years and 6.3 per cent over 10 years.
In December, the median growth fund returned 1.4 per cent while results ranged from 2.5 to 0.5 per cent.
The best-performing asset class, Morningstar found, was global listed property, returning 28.4 per cent, followed by Australian listed property at 27 per cent.
Global shares returned 15 per cent while Australian shares returned 5.6 per cent.
For multisector growth superfunds, the average allocation to equities as of 30 November was 56.3 per cent, meaning 28.5 per cent was Australian shares and 27.8 per cent was global shares.
Average property exposure came to 8.2 per cent.
According to the survey, the best-performing growth superfund over the year was Legg Mason Growth, with returns of 11 per cent, followed by BT Active Balanced at 10.5 per cent, AMP Capital Balanced at 9.8 per cent and AMP Balanced Growth at 9.7 per cent.
Meanwhile, Morningstar said the best-performing balanced funds were BT Balanced Returns with results at 10.7 per cent, State Super Balanced at 8.6 per cent and AMP Capital Moderately Conservative at 8.4 per cent.