Guide
How KiwiSaver is taxed: contributions, returns and withdrawals
KiwiSaver tax happens at four different points, and each works differently: your own contributions, your employer's contributions, the returns your fund earns, and the money you take out. Getting just one setting wrong, usually your PIR, can quietly cost you money for years. Here is each one in plain English.
Last checked October 2026
1. Your contributions: paid from after-tax pay
Your 3%, 4%, 6%, 8% or 10% is worked out on your gross pay, but it is deducted after PAYE. There is no tax deduction or refund for contributing, which is different from Australian super. Voluntary lump sums are also paid from money you have already been taxed on.
The trade-off is that you are not taxed again when you take the money out.
2. Employer contributions: taxed through ESCT
Your employer's contribution (the 3.5% minimum from 1 April 2026, rising to 4% from April 2028) has Employer Superannuation Contribution Tax (ESCT) taken off before it reaches your account. That is why a 3.5% employer contribution arrives as less than 3.5%.
Your ESCT rate depends on your salary plus your employer's super contributions over the previous year:
- Up to $18,720: 10.5%
- $18,721 to $64,200: 17.5%
- $64,201 to $93,720: 30%
- $93,721 to $216,000: 33%
- Over $216,000: 39%
3. Your fund's returns: taxed at your PIR
KiwiSaver funds are usually Portfolio Investment Entities (PIEs). Your provider pays tax on your share of the fund's earnings at your Prescribed Investor Rate (PIR): 10.5%, 17.5% or 28%. The top PIR is 28%, below the 33% and 39% income tax rates, which is a real advantage for higher earners.
If your PIR is set too low, IRD bills you for the difference at the end of the year. If it is set too high, the extra tax is not refunded, it is simply lost. Many people have never checked theirs.
4. Government contribution: tax-free
The annual government top-up (25 cents per dollar, up to $260.72 from July 2025) is paid into your account tax-free. Once invested, its returns are taxed at your PIR like the rest of your balance.
5. Withdrawals: no tax to pay
Because contributions and returns have already been taxed along the way, KiwiSaver withdrawals are tax-free. This applies at 65, for a first home, for hardship or serious illness. The money you take out is not counted as income and does not affect your tax return.
After 65, any money you leave invested keeps earning returns taxed at your PIR. NZ Super, by contrast, is taxable income.
Quick tax checklist
- Confirm your PIR with your provider, especially if your income has changed in the last two years.
- Check your employer contribution on your payslip is being taxed at the right ESCT rate.
- Make sure you contribute at least $1,042.86 a year to collect the full tax-free government top-up.
- Remember: you cannot claim a tax deduction for KiwiSaver contributions.