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 — 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 — 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 — 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 — 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 — 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 — 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 — 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' — 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 — 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 — whether while NZ-resident or after departure as a non-resident — 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 — 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 — 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 — including KiwiSaver providers and many managed funds. PIE income is taxed within the fund at the investor's Prescribed Investor Rate (PIR — 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 — 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 — 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 — file a NZ non-resident return.