What happens to your KiwiSaver when you separate in New Zealand?

In New Zealand, your KiwiSaver is not automatically yours just because the account sits in your name. Under the Property (Relationships) Act 1976, the portion of your KiwiSaver balance that accrued during your marriage, civil union, or qualifying de facto relationship is relationship property. That portion is presumed to be divided equally between you and your former partner when you separate. Only the balance built up before the relationship, together with growth properly attributable to that pre-relationship balance, is usually treated as separate property.

Most people get this wrong because they assume their employer contributions, the government contributions, and the investment returns inside their fund all sit safely in their name. They do not. The Act looks at when the value was accumulated, not whose account it sits in. In normal circumstances KiwiSaver is locked until age 65, so in practice the value is most often split notionally and offset against other assets, such as the family home, savings, or vehicles. Where the offset cannot balance the settlement, the Family Court can order either a transfer of KiwiSaver between the parties’ accounts or a cash release from KiwiSaver to the non-member partner. The scheme provider is required to give effect to the order.

If your KiwiSaver has been growing for a decade alongside a long relationship, the value at stake can easily run into six figures. It deserves to be treated like any other major asset in the division.

Is KiwiSaver relationship property in New Zealand?

Yes. KiwiSaver falls within the definition of relationship property under section 8(1)(i) of the Property (Relationships) Act 1976, which captures the value of any superannuation entitlement that accrued during the relationship. KiwiSaver is a defined contribution scheme, so the relevant question is how much of the balance was built up while the relationship was on foot.

Three streams of contributions are relevant:

• Employee contributions: What you paid in from your salary during the relationship.
• Employer contributions: Compulsory employer contributions made on your behalf during the relationship.
• Government contributions: The annual government contribution (formerly the member tax credit) paid into your account during the relationship.

All three streams, plus investment returns earned on those contributions, are treated as relationship property. Whether your salary funded those contributions or your partner’s did is irrelevant. The PRA presumes equal contribution to the relationship by both partners, and assets accrued during the relationship are pooled and split.

The Property (Relationships) Act 1976 applies to married couples, civil union partners, and de facto partners who have lived together for three or more years. Shorter de facto relationships can still be caught in narrow circumstances, including where there is a child of the relationship or where serious injustice would otherwise result.

What part of your KiwiSaver is separate property?

Three categories of KiwiSaver value can usually be kept out of the relationship property pool:

• Pre-relationship balance: The amount sitting in your KiwiSaver on the day the relationship began.
• Post-separation contributions: Anything you contribute after the date of separation.
• Growth on the pre-relationship balance: Investment returns that can be properly attributed to the pre-relationship portion.

In theory the line is clean. In practice it requires a careful calculation, because contributions during the relationship sit alongside pre-relationship contributions in the same fund and the investment growth has to be apportioned across both.

This is the same intermingling problem that affects inheritances, gifts, and pre-relationship savings across the PRA. Purely passive growth on the pre-relationship balance, that is, ordinary market movement with nothing else applied to the fund, generally remains separate property. Section 9A of the Act can in principle capture growth in separate property where that growth is attributable to the application of relationship property or the actions of the other partner, but the case law makes clear that the courts will not entertain small or trivial section 9A claims. In KiwiSaver cases the apportionment is usually resolved by actuarial evidence rather than litigation.

How is KiwiSaver valued at separation?

The default valuation date under section 2G of the Property (Relationships) Act 1976 is the date of the hearing, or the date the parties reach a settlement agreement. In practice, KiwiSaver and bank accounts are commonly valued at the date of separation to avoid sweeping in post-separation contributions, but that is convention rather than the strict statutory rule. The Court retains a discretion to use a later date where market growth or loss makes that fairer.

You will need a statement from your KiwiSaver scheme provider showing:

• The total balance at the date of separation.
• The balance at the start of the relationship (if held before).
• A breakdown of contributions made during the relationship.

Your provider can usually produce a separation date statement on request. If the balance has moved significantly since separation, the parties may also agree to use a more recent figure, particularly where settlement is delayed.

Where the pre-relationship balance is in dispute, an actuarial calculation may be needed to apportion growth fairly between the pre-relationship portion (separate property) and the during-relationship portion (relationship property).

How is KiwiSaver actually divided in a separation?

Most KiwiSaver splits are dealt with by offset. The relationship property portion of the KiwiSaver is valued, then offset against other assets (the family home, savings, vehicles, or other investments) so the parties end up with equal value overall. The KiwiSaver itself stays in one name. Offset is the dominant route because there are usually enough other assets in the pool to absorb it.

Where the offset cannot balance the settlement, for example because KiwiSaver is the largest asset in a younger relationship, the Court can order one of two things:

1. A transfer of KiwiSaver between the parties’ accounts. The funds remain locked in the KiwiSaver regime, and the receiving partner needs a KiwiSaver account open to receive them.
2. A cash release from KiwiSaver to the non-member partner. The funds come out of the KiwiSaver regime and are paid in cash to satisfy the relationship property debt. The age 65 lock is opened to give effect to the settlement.

Both orders are available where they are needed and are not a barrier in practice. As a working sense of the proportions, in our own files we deal with KiwiSaver in around 200 relationship property matters a year and need to make a formal application in around 10 of them. The vast majority are settled by offset.

You cannot, however, simply withdraw your own KiwiSaver early because you have separated. The general age 65 lock still applies to a member who wants to access their own funds, with the usual exceptions for significant financial hardship, serious illness, permanent emigration, and a first home purchase. Separation in itself is not one of those exceptions. The cash release route described above is something the Court orders for the benefit of the non-member partner as part of the settlement, not something a member can elect to do for themselves.

Common KiwiSaver mistakes during separation

• Assuming that because the account is in your name, the balance is yours.
• Failing to obtain a separation date balance and instead using a current figure.
• Forgetting to identify and ring-fence the pre-relationship balance.
• Treating employer and government contributions as gifts to you personally rather than as relationship property.
• Continuing voluntary contributions after separation without recording when separation occurred.
• Agreeing to a notional offset without confirming there are enough other assets in the pool to support it.
• Signing an informal agreement that does not meet the requirements of section 21 of the PRA, which makes the agreement vulnerable to being set aside.

What should you do?

If you are separating and KiwiSaver is in the picture, take these steps early:

1. Get a separation date statement from your KiwiSaver provider, and from your former partner’s provider once the relationship property process begins.
2. Identify your pre-relationship balance. If you held KiwiSaver before the relationship started, dig out the historical statement.
3. Stop and think before you withdraw. Hardship and first home withdrawals can change the relationship property position.
4. Document the date of separation. It is the anchor point for almost every calculation.
5. Get specialist advice before signing anything. Relationship property agreements must comply with section 21 of the PRA to be enforceable, including independent legal advice for each party.

Expert insight

“We see KiwiSaver come up in almost every relationship property matter we run. The single biggest pattern is one partner believing their KiwiSaver is untouchable because the account is in their name and the funds are locked away. The Act treats KiwiSaver as relationship property like any other asset accrued during the relationship. Identifying the pre-relationship balance early, and getting a clean valuation, is the difference between a quick offset and a drawn-out negotiation.”

Andy Bell, Partner, Lane Neave (Recommended Lawyer, Asia Pacific Legal 500)

Frequently Asked Questions

Is my KiwiSaver protected if it is only in my name?

No. The Property (Relationships) Act 1976 looks at when the value was accumulated, not whose account it is in. The portion of your KiwiSaver that grew during your marriage, civil union, or qualifying de facto relationship is relationship property and is presumed to be divided equally on separation.

Can I avoid splitting my KiwiSaver if my partner did not contribute to it?

Generally no. Under the PRA the relationship is presumed to be a 50/50 partnership, so contributions made during the relationship by either partner go into the shared pool regardless of whose salary funded them.

What if I had KiwiSaver before the relationship started?

Your pre-relationship balance is usually separate property, along with growth properly attributable to it. You will need to evidence that opening balance with a historical statement, and apportion any later growth carefully. Intermingling with relationship property contributions can complicate this.

Can KiwiSaver actually be transferred or paid out to my former partner?

Yes. Where the offset against other assets cannot fully balance the relationship property settlement, the Court can order either a transfer of KiwiSaver between the parties’ accounts or a cash release from KiwiSaver out to the non-member partner. Both routes are available where needed and are not a barrier in practice. The vast majority of files settle by offset rather than by application.

Does separation let me withdraw my KiwiSaver early?

You cannot withdraw your own KiwiSaver early just because you have separated. The general age 65 lock still applies to a member, with the usual exceptions for significant financial hardship, serious illness, permanent emigration, and a first home purchase. The Court can, however, order your provider to release funds in cash to your former partner as part of a relationship property settlement.

Talk to a relationship property lawyer

If you are separating and KiwiSaver is part of the conversation, get advice early. The right valuation, the right paperwork, and the right agreement will save you months of negotiation later.