KiwiSaver balances have lifted but many people on low incomes will need NZ Super to help them get by in retirement, the Retirement Commission says.

The average KiwiSaver balance across every age group is $41,286, up from $37,079 a year ago.

KiwiSaver balances have lifted but many people on low incomes will need NZ Super to help them get by in retirement, the Retirement Commission says.