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Moving from New Zealand Tax Guide 2026: IRD Transitional Residency, KiwiSaver & No CGT

Quick Answer: New Zealand has no capital gains tax β€” there is no CGT Event I1 equivalent when you leave (unlike Australia). The most valuable action on departure is the KiwiSaver withdrawal: if you are emigrating permanently, you can withdraw your entire KiwiSaver balance (minus any government contributions). If you arrived as a new migrant with transitional resident status, that 4-year foreign income exemption ends when you leave NZ or when 4 years expire. Non-resident withholding tax (NRWT) applies to NZ-source income (dividends, interest, royalties) after departure.
By Daniel, founder of CountryTaxCalc.com

Last Updated: April 2026

Key Facts

New Zealand Tax Residency: Ceasing to Be a NZ Tax Resident
New Zealand uses two tests for tax residency: (1) 183-day test: if you are present in New Zealand for more than 183 days in any 12-month period, you are NZ tax resident. To cease residency: you must be absent from NZ for more than 325 days (i.e., present for fewer than 183 days) in any 12-month period. This continues until you have been absent for a full 365-day period. (2) Permanent place of abode: if you have a permanent place of abode in New Zealand (your own home, a family home available to you), you remain NZ tax resident regardless of time spent overseas. This is the more complex test β€” similar to Australia's domicile test and the UK's 'sufficient ties'. Ceasing NZ residency: the key step is to no longer have a permanent place of abode available in NZ β€” sell or lease your home (a lease creates a new tenancy, removing it from your 'available' accommodation). Once both tests are failed: you cease NZ tax residency from the date both tests are no longer met. Notify IRD of your departure via myIR (Inland Revenue online portal). No formal certificate of departure exists β€” you simply update your tax status.
KiwiSaver Withdrawal on Permanent Emigration
KiwiSaver is New Zealand's voluntary workplace superannuation scheme. Employer contributions (3% minimum), employee contributions (3–10%), and government member tax credits (up to $521.43/year) accumulate in individual accounts managed by providers (ANZ, Westpac, Fisher Funds, etc.). On permanent emigration from New Zealand: you can withdraw your full KiwiSaver balance if you have been living outside NZ for at least 1 year (previously it was immediate β€” the 1-year wait was introduced in 2021). What you can withdraw: your own contributions + employer contributions + investment returns. What you cannot withdraw: the government kickstart contribution (discontinued in 2012, so most people no longer have this) and potentially the government member tax credits β€” these are returned to Inland Revenue on emigration withdrawal. Process: apply to your KiwiSaver provider for an 'permanent emigration' withdrawal. Provide evidence of living overseas (foreign address, employment, etc.) and a statutory declaration. Tax on withdrawal: KiwiSaver withdrawals for emigration are generally tax-free in New Zealand (the tax was already paid on contributions and returns within the fund via PIE tax). Moving to Australia: under the Trans-Tasman retirement savings portability agreement, you can transfer your KiwiSaver to an Australian complying superannuation fund instead of withdrawing β€” this avoids the 1-year wait and may be more tax-efficient.
Transitional Resident Exemption: The 4-Year Foreign Income Exclusion
New Zealand offers a transitional resident exemption to new migrants β€” one of the world's most generous: for the first 48 months (4 years) of NZ tax residency, transitional residents pay no NZ tax on most foreign income (foreign dividends, foreign interest, foreign rental income, capital gains from overseas assets). This is a significant benefit for migrants arriving from Australia, the UK, or the USA with offshore investments. The exemption applies automatically to 'new migrants' β€” those who have not been NZ tax resident in the previous 10 years. When you leave New Zealand: if you are within your 4-year transitional period, the exemption ends on the day you cease NZ tax residency. Any subsequent return to NZ as a resident would not restart the clock (you have used your one-time 4-year window). If you have already completed 4 years and become a full NZ tax resident: departure means you cease NZ tax residency via the normal tests above β€” the transitional exemption is no longer relevant. Implication: New migrants who arrive in NZ, maintain offshore investment accounts, and then depart within 4 years effectively received a foreign income tax holiday throughout their NZ stay.
No New Zealand Capital Gains Tax: What This Means for Departing Residents
New Zealand famously has no general capital gains tax (CGT). This means: when you sell shares, investment property, cryptocurrency (in most cases), art, or other assets β€” whether while NZ-resident or after departure as a non-resident β€” there is generally no NZ CGT on the gain. Exceptions within the 'no CGT' framework: (1) Bright-line test for residential property: NZ residential property sold within 2 years of purchase (recently extended rules β€” properties purchased after March 27, 2021 were subject to 10-year bright-line, but this was reduced back to 2 years from July 1, 2024) is subject to income tax on the gain. As a non-resident selling NZ property: the 2-year bright-line can still apply. (2) Property acquired for the purpose of resale (dealer): always taxable as income. (3) Shares in FDR (Foreign Dividend Regime): complex FIF (Foreign Investment Fund) rules tax NZ residents on 5% of overseas share portfolio value annually β€” this ends on departure. FIF rules: as a non-resident, you are no longer subject to NZ FIF tax on overseas shares. If you liquidate your overseas portfolio before or after departure, no NZ CGT applies. This is a genuine advantage for departing NZ residents with large overseas investment portfolios.
PIE Funds, Shares and Final NZ Tax Return
Portfolio Investment Entities (PIEs) are NZ's tax-advantaged fund structures β€” including KiwiSaver providers and many managed funds. PIE income is taxed within the fund at the investor's Prescribed Investor Rate (PIR β€” 10.5%, 17.5%, or 28%). On departure: you are no longer eligible to remain a NZ PIE investor at the resident PIR rates. Notify your PIE fund provider of your change in residency. Non-resident PIE investors: income from PIE funds as a non-resident is subject to NRWT (28% for PIE income). Consider whether to liquidate PIE investments before departing (while still resident at your lower PIR) or retain them. NZ shares and listed investments: no CGT on gains. Retain or sell as preferred β€” no tax event triggered by departure. Final NZ income tax return (IR3): file for the tax year of departure (April 1 to March 31 NZ tax year) via myIR or through a tax agent. Cover worldwide income for the NZ residence period. If you file automatically via auto-assessment (most PAYE employees): Inland Revenue issues an assessment β€” review and confirm via myIR. Non-resident withholding tax (NRWT): after departure, NZ-source income is subject to NRWT at source. NZ dividends: 15% NRWT (reduced under many DTAs). NZ interest: 15% NRWT (10% under NZ-USA DTA). NZ rental income: NZ income tax applies on rental profit β€” file a NZ non-resident return.

New Zealand is one of the simplest high-income countries to depart from a tax perspective. There is no New Zealand capital gains tax, no exit tax, and no deemed disposal of assets on departure. The two key financial actions on leaving New Zealand permanently are managing your KiwiSaver withdrawal (a significant sum for long-term residents) and understanding the transitional resident tax treatment if you arrived in New Zealand as a migrant within the last 4 years. New Zealand's Inland Revenue Department (IRD) has a streamlined non-residency process, and the country's tax system is generally one of the more straightforward in the OECD.

Moving from New Zealand to Australia: Trans-Tasman Specifics

NZ-to-Australia is the most common migration corridor from New Zealand β€” the Trans-Tasman Travel Arrangement allows NZ citizens to live and work in Australia indefinitely. Key planning points:

KiwiSaver transfer to Australian super: Under the Trans-Tasman retirement savings portability agreement, you can transfer your KiwiSaver balance to an eligible Australian complying super fund. This avoids the 1-year emigration withdrawal wait and the Australian super fund continues tax-advantaged growth. Not all Australian super funds accept KiwiSaver transfers β€” check your preferred Australian fund's eligibility. The transfer is processed through Inland Revenue and your KiwiSaver provider.

Australian CGT Event I1 does not apply to NZ residents: When you become an Australian tax resident on arrival, you get a cost base reset to FMV for Australian CGT purposes β€” so any gains on your NZ assets before Australian residency commenced are not Australian-taxable. This is the Australian 'acquisition at market value' rule for new residents.

NZ property bright-line as non-resident: If you own NZ residential property and sell within 2 years of purchase after moving to Australia: the NZ bright-line test can still apply. ATO and IRD rules both need to be considered β€” NZ has taxing rights on NZ-situated real property regardless of your residency.

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Frequently Asked Questions

Q: Can I withdraw my KiwiSaver immediately when I leave New Zealand?

Not immediately. Since June 2021, the emigration withdrawal rule requires you to have been residing outside New Zealand for at least 1 year before you can apply for the withdrawal. Before the 1-year mark, your KiwiSaver account remains locked (you cannot access it except for first home purchase or significant financial hardship in NZ). After 1 year overseas: apply to your KiwiSaver provider for an 'emigration withdrawal'. You will need a statutory declaration confirming permanent emigration, proof of overseas residence (utility bills, employment contract, lease agreement), and your provider's specific application form. The payout: your contributions + employer contributions + investment returns. Government member tax credits received after 2012: returned to Inland Revenue and deducted from your withdrawal. Exception β€” Australia: KiwiSaver-to-Australian-super transfer is available from day one of departure to Australia (no 1-year wait) via the Trans-Tasman portability agreement.

Q: I own NZ shares (listed on NZX) β€” do I owe NZ tax when I sell after leaving?

No β€” New Zealand has no capital gains tax on shares. Whether you sell NZX-listed shares as a NZ resident or as a non-resident after departure, there is generally no NZ tax on the capital gain. The exception: if the IRD considers you to be a 'share trader' (buying and selling shares as a business), gains are taxable as business income. For most investors with a long-term buy-and-hold portfolio, this does not apply. After departure as a non-resident: NZ dividends from NZX shares are subject to NRWT (15%, or DTA-reduced rate). The gain on eventual sale: no NZ tax. Imputation credits (NZ's equivalent of Australian franking credits): non-residents generally cannot use NZ imputation credits β€” the NRWT is the final NZ tax on dividends. Under the NZ-USA DTA: NZ dividends are subject to 15% NRWT for US residents.

Q: What happens to my NZ Superannuation (NZ Super) if I leave New Zealand?

NZ Superannuation (the universal state pension, paid from age 65) requires NZ residency to receive it. If you leave NZ permanently before or after age 65: NZ Super payments stop. NZ Super is not portable internationally in most cases β€” it is designed as an NZ-resident pension. Exception: New Zealand has Social Security Agreement with some countries (Australia, Canada, UK, Ireland, the Netherlands, etc.) β€” under these agreements, periods of residence in partner countries can be combined to meet eligibility thresholds, and pensions can be paid internationally. Check NZ's current portability arrangements via Work and Income (workandincome.govt.nz). If you return to NZ after working abroad and claim NZ Super: your overseas pension may reduce your NZ Super entitlement (the overseas pension deduction rule).

Q: Do I need to file a NZ tax return after I leave?

For the tax year of departure (April 1 – March 31): yes. If you are on a standard PAYE employment and your income is only from employment, IRD may auto-assess you and send a tax assessment β€” review it and confirm or file if there are adjustments. If you are self-employed, have rental income, or have overseas income: file an IR3 via myIR. After departure: file NZ non-resident returns only if you have NZ-source income (NZ rental income, NZ self-employment income). Interest and dividends from NZ: NRWT withheld at source β€” no filing required for these (NRWT is the final tax). NZ property sales: if the bright-line test applies, you must file even as a non-resident.

Disclaimer: This guide provides general tax information for educational purposes only. NZ tax rules including the bright-line test period, KiwiSaver emigration withdrawal rules, and NRWT rates change with NZ legislation. Nothing in this guide constitutes tax or legal advice. Consult a NZ chartered accountant (CA) or tax agent before departing New Zealand.

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