The amount of money invested in KiwiSaver grew $2.5 billion in the last quarter to hit $35.9 billion, figures from Morningstar show.
Morningstar's September quarter report was released yesterday show funds continue to flow strongly into the retirement savings scheme.
Tim Murphy, director of manager research with Morningstar, said it was a solid quarter for KiwiSaver funds with all options producing positive results over the three months to September 30.
The top performing fund for the quarter was the Booster Trans-Tasman Share fund returning 7.6 per cent, while the top fund for the year to September 30 was the OneAnswer Australasian share fund which was up 30.9 per cent.
Murphy said average returns for the conservative, balanced, growth and aggressive categories ranged between 1.61 per cent and 4.32 per cent.