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NZ Tax Guide 2026 — Income Tax, GST, KiwiSaver & More

Updated

New Zealand’s tax system covers income tax (PAYE for employees, IR3 for self-employed), GST, KiwiSaver, investment taxes, and more. This hub links to every tax guide on MoneyBalance — use the sections below to find exactly what you need.

NZ Tax Year

The NZ tax year runs 1 April to 31 March. The 2025–26 tax year ends 31 March 2026. IR3 returns for self-filers are due 7 July 2026. Employees are automatically assessed by IRD in May–June 2026.

NZ Income Tax Rates 2025–26

Taxable incomeTax rate
$0 – $14,00010.5%
$14,001 – $48,00017.5%
$48,001 – $70,00030%
$70,001 – $180,00033%
Over $180,00039%

Tax Clusters

Self-Employed & Contractor Tax

For sole traders, contractors, and freelancers managing their own tax.


Rental Property Tax

Tax rules for landlords and property investors.


Investment Tax

PIE funds, FIF, crypto, shares, KiwiSaver, and term deposit tax rules.


Employment Tax

PAYE, tax codes, bonuses, redundancy, holiday pay, and employer obligations.


GST

Registration, filing, claiming GST back, imports, and zero-rated supplies.


Tax Filing

myIR, refunds, late returns, voluntary disclosure, records, and tax agents.


Working for Families

WFF tax credits for families with dependent children.


Business Tax

Company tax, sole trader vs company, shareholder salaries, imputation credits, R&D credit, and more.


Trust Tax

Family trusts, trustee income tax, and trust vs company comparison.


Expat & International Tax

NZ tax residency, leaving NZ, working holidays, Australians in NZ, and overseas student loans.


Other NZ Taxes

FBT, RWT, overseas income, inheritance, and charitable donations.


Calculators