KiwiSaver: The Complete New Zealand Guide for 2024

What Is KiwiSaver and Why Does It Matter?

KiwiSaver is New Zealand’s voluntary, work-based retirement savings scheme — and for most Kiwis, it will be one of the largest pools of money they ever accumulate. Launched in 2007, KiwiSaver combines your own contributions, your employer’s contributions, and a government top-up to build a nest egg you can access at 65 (or earlier in specific circumstances). Whether you’re just starting out in the workforce, thinking about buying your first home, or approaching retirement, understanding how KiwiSaver works can make a significant difference to your financial future.

How KiwiSaver Works: The Basics

KiwiSaver is managed by the Inland Revenue Department (IRD) and the Financial Markets Authority (FMA), with funds held and invested by a range of approved private providers — from the big banks like ANZ, ASB, BNZ, and Westpac, to specialist providers like Simplicity, Milford, and Fisher Funds.

When you start a new job, your employer is required to automatically enrol you in KiwiSaver unless you’re already a member or choose to opt out within the first few weeks. You can also join voluntarily at any time if you’re a New Zealand citizen or permanent resident living in New Zealand.

Who Contributes — and How Much?

Three parties contribute to your KiwiSaver account:

• You: Choose to contribute 3%, 4%, 6%, 8%, or 10% of your before-tax pay. The default rate is 3%.
• Your employer: Must contribute a minimum of 3% of your gross pay on top of your salary (this is a legal requirement, not taken from your wages).
• The government: Provides a member tax credit of up to $521.43 per year, as long as you contribute at least $1,042.86 in the year to 30 June. This is essentially free money — don’t leave it on the table.

If you’re self-employed or not working, you can still contribute directly to your KiwiSaver account, though employer contributions won’t apply. You’ll still be eligible for the government member tax credit if you contribute enough.

KiwiSaver Fund Types

Your contributions are invested in one of five broad fund types, ranging from conservative to aggressive:

Fund Type	Typical Growth Asset Mix	Best Suited To
Defensive	Up to 10% growth assets	Near-retirement or very short timeframes
Conservative	10–35% growth assets	Short to medium timeframes, lower risk tolerance
Balanced	35–63% growth assets	Medium timeframes, moderate risk tolerance
Growth	63–90% growth assets	Longer timeframes, higher risk tolerance
Aggressive	90%+ growth assets	Long timeframes, comfortable with volatility

If you don’t actively choose a fund, you’ll be placed in a default fund — which, since 2021, must be a ‘balanced’ fund under FMA rules. However, your personal circumstances may mean a different fund suits you better. Younger members in particular often benefit from being in a growth or aggressive fund, since they have decades for the market to recover from any downturns.

Using a KiwiSaver Calculator to Plan Your Retirement

One of the most powerful things you can do right now is run your numbers through a KiwiSaver calculator to see what your balance might look like at retirement. A good calculator will factor in your current balance, your age, your contribution rate, your employer’s contributions, the government tax credit, your expected fund return, and inflation.

The results can be eye-opening. For example, increasing your contribution rate from 3% to 6% in your 30s can add tens of thousands of dollars to your final balance by age 65 — sometimes more than $100,000, depending on your income and fund performance. Conversely, taking a contributions holiday for a few years can cost you significantly more than the short-term cash relief is worth.

What to Look for in a KiwiSaver Calculator

Not all calculators are equal. When using one, look for tools that:

• Allow you to adjust your contribution rate and see the impact immediately
• Include the government member tax credit in projections
• Let you model different fund return assumptions (conservative vs. optimistic)
• Show projections in today’s dollars (inflation-adjusted) as well as nominal figures
• Account for contribution breaks, such as parental leave or a contributions holiday

The Sorted KiwiSaver guide and tools offer a well-regarded, independent calculator built specifically for New Zealanders. The Commission for Financial Capability runs Sorted as a free public resource — there’s no product being sold, so the projections are unbiased.

The Real Cost of Fees

Your KiwiSaver calculator results will vary significantly depending on fees. Even a difference of 0.5% in annual fees can reduce your final balance by tens of thousands of dollars over a 30- or 40-year investment horizon. Always compare the total annual fund charge (the ‘management fee’ or ‘fund charge’) when choosing or switching providers. The Financial Markets Authority (FMA) publishes annual KiwiSaver reports that include fee comparisons across all providers — worth checking before you commit to a scheme.

KiwiSaver Hardship: Accessing Your Money Early

KiwiSaver is designed as a long-term savings vehicle, but life doesn’t always go to plan. If you’re facing serious financial difficulty, you may be eligible for a KiwiSaver hardship withdrawal — also known as a significant financial hardship withdrawal.

What Counts as Significant Financial Hardship?

Your KiwiSaver provider (not IRD) assesses hardship applications. To qualify, you generally need to demonstrate that you cannot meet reasonable living expenses for yourself and your dependants. Situations that may qualify include:

• Inability to pay for essential medical treatment for you or a dependant
• A terminal illness diagnosis
• Permanent disability that prevents you from working
• Inability to meet minimum mortgage repayments and facing the loss of your home
• Significant unexpected costs such as funeral expenses

Wanting to pay off consumer debt, fund a holiday, or cover ordinary living expenses generally does not qualify. The bar is deliberately high — KiwiSaver hardship withdrawals are intended as a last resort, not a flexible savings account.

How to Apply for a Hardship Withdrawal

Contact your KiwiSaver provider directly. You’ll need to provide supporting documentation — bank statements, medical certificates, mortgage correspondence, or other evidence depending on your circumstances. Providers are required to assess applications fairly and within a reasonable timeframe. If your application is declined, you can request a review or complain to the KiwiSaver scheme’s dispute resolution service.

Note that hardship withdrawals are not taxed at the time of withdrawal, but they permanently reduce your retirement savings. Before applying, consider whether other options — such as a hardship application to Work and Income, negotiating with creditors, or a short-term personal loan — might be more appropriate for your situation.

Other Early Withdrawal Options

Significant financial hardship is not the only way to access your KiwiSaver funds before age 65. Other permitted withdrawals include:

• First home purchase: You can withdraw most of your KiwiSaver balance (excluding the $1,000 government kick-start if you received one, and any employer contributions in some schemes) to put towards buying your first home. See our guide on KiwiSaver first home withdrawal for full eligibility details.
• Serious illness: If you have a life-shortening condition or are permanently unable to work, you may be able to withdraw your full balance.
• Moving overseas permanently: If you emigrate permanently (other than to Australia), you can withdraw your balance after 12 months. Transfers to Australian superannuation are also possible.
• Death: Your KiwiSaver balance forms part of your estate.

Choosing the Right KiwiSaver Provider

With over 30 KiwiSaver providers and hundreds of individual funds on the market, choosing where to invest can feel overwhelming. Here’s a practical framework:

Step 1: Match Your Fund Type to Your Timeline

If you’re under 40 and not planning to use your KiwiSaver for a first home purchase in the near term, a growth or aggressive fund is typically recommended. The longer your investment horizon, the more time you have to ride out market volatility. If you’re within five to ten years of retirement — or planning a first home purchase within the next few years — consider moving to a more conservative fund to protect your balance from a sudden market downturn.

Step 2: Compare Fees

Look at the total annual fund charge as a percentage of your balance. Lower-cost providers like Simplicity and InvestNow tend to charge less than bank-owned funds, though this isn’t universal. Even small differences compound significantly over decades.

Step 3: Check Past Performance (With Caution)

Past performance is not a guarantee of future returns, but it can give you a sense of how a fund has managed through different market conditions. Compare like-for-like — a growth fund’s returns should be compared to other growth funds, not conservative ones. The FMA’s annual KiwiSaver report and independent comparison sites can help.

Step 4: Consider Ethical Investing

A growing number of KiwiSaver providers offer responsible investment or ESG (environmental, social, and governance) options. If you want your savings to avoid certain industries — such as fossil fuels, tobacco, or weapons — check the fund’s responsible investment policy before joining.

Making the Most of KiwiSaver: Practical Tips

Getting the basics right can add up to a significantly better retirement outcome. Here are some of the highest-impact actions you can take:

1. Always contribute enough to get the full government tax credit. You need to contribute at least $1,042.86 between 1 July and 30 June each year. If you’re on a contributions holiday or not working, consider making a voluntary lump-sum payment before 30 June to claim the full $521.43 credit.
2. Review your fund type regularly. Your risk tolerance and timeline change over time. Set a reminder to review your fund choice every few years, especially after major life events like marriage, having children, or approaching retirement.
3. Don’t panic during market downturns. Switching to a conservative fund after a market fall locks in your losses and means you miss the recovery. Staying the course is usually the right call for long-term investors.
4. Track down lost KiwiSaver accounts. If you’ve changed jobs or providers over the years, you may have more than one KiwiSaver account. Use the IRD’s myIR portal to check and consolidate your accounts — having multiple accounts means paying multiple sets of fees.
5. Consider voluntary contributions. You can make lump-sum top-ups directly to your provider at any time. This is especially useful if you receive a bonus, an inheritance, or have surplus cash at year end.

KiwiSaver Withdrawals at Retirement

Once you reach NZ Superannuation eligibility age (currently 65), you can withdraw your KiwiSaver balance in full, in part, or leave it invested and continue making contributions. There’s no requirement to withdraw at 65 — many people choose to leave their funds invested and draw down gradually.

How you manage your KiwiSaver in retirement is just as important as how you build it. Our detailed guide on KiwiSaver withdrawal options covers the different strategies, tax considerations, and how to balance KiwiSaver drawdowns with NZ Super payments.

KiwiSaver and Your First Home

For many New Zealanders, KiwiSaver plays a dual role — retirement savings and a first home deposit. The KiwiSaver first home withdrawal allows eligible members to withdraw most of their balance after at least three years of membership. There’s no upper limit on how much you can withdraw (subject to scheme rules), which means a healthy KiwiSaver balance can make a meaningful difference to your deposit.

You’ll need to meet eligibility criteria around income, property value, and previous home ownership. Full details are in our KiwiSaver first home withdrawal guide.

Your Next Steps

KiwiSaver is one of the most accessible and rewarding savings tools available to New Zealanders — but only if you actively engage with it. Start by logging into myIR to confirm your current contribution rate, provider, and fund type. Run your numbers through a KiwiSaver calculator to see where you’re headed and whether a few small changes could make a big difference. If you’re facing financial difficulty, understand your options around KiwiSaver hardship withdrawals before making any decisions. And if you’re unsure about the right fund or provider, consider speaking with a licensed financial adviser — the FMA’s website has a register of authorised advisers to help you find one.

Frequently Asked Questions

How much does KiwiSaver cost to join?

There’s no upfront cost to join KiwiSaver. You contribute a percentage of your pay (minimum 3%), and your employer adds at least 3% on top. Providers charge annual fund fees — typically between 0.2% and 1.5% of your balance per year depending on the provider and fund type.

Can I take a break from KiwiSaver contributions?

Yes. You can apply for a contributions holiday (now called a ‘savings suspension’) through IRD if you’ve been a member for at least 12 months, or earlier if you’re experiencing financial hardship. Be aware that pausing contributions means you’ll miss out on employer contributions and potentially the government member tax credit.

What happens to my KiwiSaver if I change jobs?

Your KiwiSaver account stays with your chosen provider — it’s not tied to your employer. When you start a new job, your new employer will deduct contributions from your pay and send them to IRD, which passes them on to your provider. You don’t need to do anything, but it’s worth confirming your contribution rate with your new employer.

Can I withdraw my KiwiSaver for financial hardship?

Yes, but the bar is high. You need to demonstrate significant financial hardship — such as being unable to meet essential living expenses or facing the loss of your home. Applications are assessed by your KiwiSaver provider, not IRD. See our full guide on KiwiSaver hardship withdrawals for details on eligibility and the application process.

How do I find the best KiwiSaver fund for me?

The best fund depends on your age, risk tolerance, and goals. Generally, younger members benefit from growth or aggressive funds due to their longer investment horizon. As you approach retirement, shifting to a more conservative fund can protect your balance. Compare fees, past performance (with caution), and ethical investment policies. The FMA’s annual KiwiSaver report is a good starting point for comparisons.

Does KiwiSaver affect my NZ Superannuation entitlement?

No. KiwiSaver savings do not reduce your NZ Superannuation (NZ Super) payments. NZ Super is a universal entitlement for eligible New Zealanders aged 65 and over, regardless of your assets or income. KiwiSaver is designed to supplement NZ Super, not replace it.