What Is KiwiSaver?

KiwiSaver is a voluntary, work-based savings initiative for New Zealand residents. When you join, a percentage of your pay is automatically directed into a KiwiSaver fund, alongside mandatory employer contributions and a government contribution. The money is invested and locked in until you retire at 65 — or use it for a first home purchase after 3 years.

Despite being called a "savings scheme," KiwiSaver is fundamentally an investment account — your money is invested in a fund holding shares, bonds, and other assets, and grows based on investment returns over time. Your KiwiSaver fund choice has a major impact on long-term outcomes.

Three sources fund your KiwiSaver simultaneously: your own contributions, your employer's 3% contribution, and the government's annual contribution of up to $521.43. Together, these create one of the most powerful compound-growth mechanisms available to New Zealand workers. The earlier you start and the more you contribute, the more dramatically these three streams compound together over decades.

Where the Money Comes From

You contribute
3–10%
of before-tax pay. Choose: 3%, 4%, 6%, 8%, or 10%. Can pause with a savings suspension.
Employer contributes
min 3%
of your before-tax pay. Paid net of Employer Superannuation Contribution Tax (ESCT).
Government contributes
$521/yr
Up to $521.43/yr. Contribute at least $1,042.86/yr to receive the full amount.
✅ Always get the full government contribution

The government contributes 50 cents per dollar you put in, up to $521.43/year. To get the full amount, contribute at least $1,042.86 during the year (July 1 – June 30). This equates to around $20/week — one of the highest risk-free returns available to any investor. If you're not working, you can still make voluntary contributions to receive the government contribution (you must be 18–65 and a NZ resident).

KiwiSaver Fund Types

KiwiSaver funds range from defensive (mostly cash and bonds) to growth (mostly shares). Choosing the wrong fund type is one of the most common and costly mistakes — especially being too conservative when young.

Low risk

Defensive / Conservative

Heavy on cash and bonds. Very low short-term volatility but significantly lower long-term returns. Only appropriate for those retiring in 1–3 years.

~80–90% bonds/cash | ~10–20% equities
Moderate

Balanced

Mix of equities and bonds. Smoother returns than growth, but lower long-term potential. Appropriate for investors within 5–10 years of retirement.

~50–60% equities | ~40–50% bonds
Higher growth

Growth

Majority in equities. Higher volatility year-to-year but historically stronger long-term returns. Suitable for investors 10+ years from retirement.

~70–80% equities | ~20–30% bonds
Highest growth

Aggressive / High Growth

Almost entirely equities. Maximum long-term return potential with maximum short-term volatility. Best for young investors with 20+ year horizon.

~90–100% equities | ~0–10% bonds
⚠️ Don't be too conservative when young

Many younger New Zealanders are in default KiwiSaver funds — which are often balanced or conservative. For someone in their 20s or 30s with 30+ years until retirement, a growth or aggressive fund will almost certainly produce significantly more wealth over the long run, despite higher short-term fluctuations. Consider reviewing your fund type if you're young and in a low-risk fund.

How to Choose a KiwiSaver Fund

Two official tools help: the Sorted KiwiSaver fund finder (sorted.org.nz) and the FMA's KiwiSaver fund comparison tool. Key factors:

  • Fund type first: Choose growth or aggressive if you're under 50, balanced if 50–60, conservative if retiring within 5 years
  • Fees: Compare the annual fund charges — smaller differences compound dramatically over decades. Lower fees = more of your money stays invested
  • Returns: Look at 5-year and 10-year returns (net of fees), not just 1-year performance
  • Provider reputation: Simplicity, InvestNow, and Kernel are known for low fees. Milford, Fisher Funds, and AMP are larger providers with wider fund ranges

KiwiSaver for First Home Purchase

After 3 years of continuous membership, you can withdraw most of your KiwiSaver balance to help buy your first home. Key rules:

  • Must be your first home (or treated as such by Kāinga Ora)
  • You can withdraw your own contributions + employer contributions + investment returns
  • Government contributions and returns on government contributions cannot be withdrawn
  • You must leave a minimum of $1,000 in your account
  • You may also qualify for the First Home Grant (up to $10,000) — a separate government grant for eligible first-home buyers

Frequently Asked Questions

If you emigrate permanently to any country except Australia, you can withdraw your entire KiwiSaver balance (including government contributions) after one year abroad. Moving to Australia is a special case: you can transfer your KiwiSaver to an Australian super fund, but the funds are then governed by Australian rules and you cannot withdraw them outside Australian super rules. You stop receiving government contributions once you're no longer a NZ resident.
Yes — self-employed people can make voluntary contributions directly to their KiwiSaver provider. You won't receive employer contributions, but you can still receive the government member tax credit (up to $521.43/year) if you contribute at least $1,042.86 and meet the eligibility criteria. Making regular voluntary contributions to at least capture the government contribution is strongly recommended for all self-employed KiwiSaver members.
Yes — you can change your contribution rate (3%, 4%, 6%, 8%, or 10%) at any time by notifying your employer. You can also take a savings suspension (savings holiday) for 3 months to 1 year if needed — though you'll miss out on the government contribution if you don't contribute enough. Changing to a higher rate when you can afford it is one of the most impactful things you can do for your retirement balance.
Important: KiwiSaver rules, contribution rates, and government contributions are subject to change. Figures shown are current as of 2025. Always verify with the IRD (ird.govt.nz) or a licensed financial adviser.