Tax is the primary mechanism through which New Zealand funds its public services — the hospitals, schools, roads, welfare payments, and the hundreds of other things the government provides. Understanding how tax works means understanding not just the rates and rules, but the choices embedded in those rules about who pays, on what, and at what level.
New Zealand's tax system is administered by Inland Revenue — Te Tari Taake — the government agency responsible for collecting taxes and administering social policy programmes delivered through the tax system. It is a relatively simple system by international standards — no separate state or provincial taxes, a broad consumption tax, and a personal income tax system that for most employees runs largely automatically through payroll.
But simple does not mean without controversy. Debates about whether New Zealand's tax system is fair, whether it adequately taxes wealth relative to income, and whether a capital gains tax should be introduced are among the most politically charged in the country — and heading into the 2026 election they are more live than ever.
The Tax Year
New Zealand's tax year runs from 1 April to 31 March — different from the calendar year and from some other countries. This matters for understanding when tax obligations arise and when returns must be filed.
Most individuals do not file a tax return — their income tax is deducted automatically through the pay-as-you-earn system. Inland Revenue reconciles tax at the end of each year and issues refunds or requests additional payment if the deductions were not exactly right. For people with more complex financial situations — rental income, self-employment, significant investment income — a return is required.
Income Tax: The Progressive System
New Zealand uses a progressive income tax system — meaning different portions of income are taxed at progressively higher rates. Higher earners pay a higher marginal rate on their top dollars of income, but the lower rates apply to lower income earned by everyone.
For the 2025-26 tax year the income tax brackets are:
Up to $15,600=10.5%
$15,601 to $53,500=17.5%
$53,501 to $78,100=30%
$78,101 to $180,000=33%
Over $180,000=39%
The key point about progressive taxation is that the rate applies only to the income within each band — not to the total. Someone earning $80,000 pays 10.5 percent on their first $15,600, 17.5 percent on the next slice, 30 percent on the next, and only 33 percent on the $1,900 above $78,100. Their effective tax rate — the percentage of their total income paid in tax — is significantly lower than their marginal rate.
These thresholds were adjusted in July 2024 — the first changes in over a decade — as part of the current government's tax relief package. The adjustments mean more income is taxed at lower rates. Someone earning $78,100 now avoids the 33 percent bracket entirely compared with the previous thresholds, saving roughly $1,040 per year.
The top marginal rate of 39 percent was introduced in 2021 for income above $180,000. It remains in place under the current government despite some calls from the ACT Party to reduce it.
New Zealand has no tax-free threshold. Every dollar of income is subject to income tax. This differs from countries like Australia and the United Kingdom where the first several thousand dollars or pounds of income are tax-free.
PAYE: Pay As You Earn
For most employed New Zealanders, income tax is collected through the PAYE system — Pay As You Earn. Employers deduct income tax from wages and salaries each pay period and remit it directly to Inland Revenue. Employees never handle the tax themselves — it is deducted before the money reaches their bank account.
Every employed New Zealander has an IRD number — a unique tax identification number — and uses a tax code that tells their employer what rate to deduct. The standard code for main employment income is M. If someone has a second job or other income, a secondary tax code ensures approximately the right amount of tax is withheld across all income sources.
The PAYE system makes compliance straightforward for most employees — they simply receive their net pay and do not need to think about tax unless their situation is more complex. Inland Revenue's automatic reconciliation process issues refunds or requests additional payment at the end of each year for those whose deductions did not precisely match their actual liability.
GST: The Consumption Tax
Goods and Services Tax — GST — is a flat-rate tax of 15 percent on most goods and services in New Zealand. It is included in the retail price of almost everything you buy — goods, services, utilities, and many other purchases. When you pay $115 for something, $15 of that is GST.
New Zealand's GST is unusually broad by international standards. Most consumption taxes in other countries have multiple rates and extensive exemptions. New Zealand's GST applies to almost everything with very few exceptions. The main things not subject to GST are residential rent, financial services, and airfares for overseas travel.
How GST works for businesses - Businesses registered for GST collect it on their sales and pay it to Inland Revenue, but can also claim back the GST they paid on their own purchases. The net amount they pay is the difference between the GST they collected from customers and the GST they paid on their own inputs. This system means GST is ultimately borne by the final consumer — not by businesses in the supply chain.
Businesses with annual turnover above $60,000 must register for GST. Those below this threshold can choose to register voluntarily. GST returns are filed monthly, two-monthly, or six-monthly depending on the business.
Company Tax
New Zealand companies pay income tax on their profits at a flat rate of 28 percent. This is the standard corporate tax rate for resident companies. New Zealand-resident companies pay tax on their worldwide income; non-resident companies pay tax only on their New Zealand-sourced income.
The imputation system prevents double taxation of company profits. When a company pays tax and then distributes dividends to shareholders, it can attach imputation credits — credits for the tax already paid at company level. Shareholders can use these credits to offset their personal income tax liability on the dividends, meaning company profits are effectively taxed once rather than twice.
New Zealand also has a Resident Withholding Tax system for investment income — interest and dividends paid to New Zealand residents have tax withheld at source, based on the recipient's declared tax rate.
ACC Levies: The No-Fault Insurance System
Alongside income tax, employed New Zealanders pay an ACC earner's levy — a contribution to the Accident Compensation Corporation scheme that provides no-fault accident cover to all New Zealanders. If you are injured in an accident — at work, at home, on the road, anywhere — ACC covers medical treatment and a proportion of lost earnings, regardless of who was at fault.
The earner's levy for 2025-26 is 1.67 percent of earnings up to a cap of $152,790. It is deducted alongside PAYE from wages. For someone on the median salary of around $71,760, the ACC levy adds approximately $1,198 per year — effectively adding over a percentage point to the overall tax burden on employment income.
Employers also pay an ACC work levy based on their industry's risk profile.
KiwiSaver: Workplace Retirement Savings
KiwiSaver is New Zealand's voluntary workplace retirement savings scheme, administered through Inland Revenue. It is not a tax — but it is collected through the tax system and functions as a significant deduction from take-home pay.
Employees contribute a minimum of 3 percent of their gross earnings to a KiwiSaver scheme. Employers contribute a minimum of 3 percent on top. Employees can contribute at higher rates — 4, 6, 8, or 10 percent. The combined contributions are invested in a KiwiSaver fund of the employee's choosing until they turn 65 or meet other qualifying criteria.
KiwiSaver is opt-out — new employees are automatically enrolled and must actively choose to opt out. This design has significantly increased participation compared with a purely voluntary scheme.
The government provides a member tax credit of up to $521 per year to KiwiSaver members who contribute at least $1,042 per year — an incentive to maintain contributions.
What New Zealand Does Not Tax: The Capital Gains Question
New Zealand is one of the few developed countries without a comprehensive capital gains tax — a tax on the profits made when selling assets such as property or shares that have increased in value.
This means that if you buy a rental property for $500,000 and sell it for $800,000, the $300,000 gain is generally not taxed. If you buy shares and sell them for a profit, that profit is generally not taxed. This contrasts with most OECD countries, where capital gains are taxed — often at a reduced rate compared with income.
New Zealand does have some partial measures. The bright-line test taxes profits from the sale of residential investment properties if sold within two years of purchase — a limited proxy for a capital gains tax on short-term property speculation. Interest deductibility for residential investment property was restricted and then fully restored from April 2025. The IRD can also tax gains from property trading if it determines the taxpayer's intention in buying was to sell at a profit.
But a broad capital gains tax does not exist. This has been the subject of recurring political debate for decades. A Tax Working Group under the previous Labour government recommended a capital gains tax in 2019, but Prime Minister Jacinda Ardern ruled out introducing one during her term.
The 2026 election and capital gains tax Heading into the 2026 election, capital gains tax has returned as a major political battleground. The Labour Party has announced a policy to introduce a 28 percent capital gains tax on the sale of residential and commercial investment properties — explicitly excluding the family home, farms, KiwiSaver, shares, and personal items. Labour argues this would redirect investment away from property speculation and toward the productive economy, and has paired the policy with a proposal to fund three free GP visits per year for all New Zealanders from the revenue.
The Green Party has proposed a wealth tax — an annual tax on net assets above $2 million, applied at progressive rates — arguing that the tax system does not adequately tax accumulated wealth.
The National Party has strongly opposed both proposals, arguing a capital gains tax would discourage investment, reduce housing supply, and harm small businesses and savers. National Finance spokesperson Nicola Willis has described Labour's CGT as an attack on investment and savings.
The debate is one of the defining economic and political arguments going into the 2026 election. It reflects deep disagreements about whether New Zealand's current tax system produces fair outcomes and whether property wealth should be taxed more heavily relative to income from work.
Other Taxes
Excise duties are applied to alcohol, tobacco, and fuel — taxes on specific goods often justified by their social costs or externalities. These are included in the retail price before GST is added.
Fringe Benefit Tax (FBT) applies to non-cash benefits provided by employers to employees — company cars, employer-paid accommodation, subsidized services, and similar perks. It taxes the value of these benefits to prevent them being used as untaxed substitutes for salary.
Withholding taxes apply to certain types of payments — interest, dividends, and certain business payments — with tax withheld at source before funds reach the recipient.
Customs duties apply to some imported goods, though New Zealand's tariff schedule is relatively open.
There is no inheritance tax, no stamp duty on property transactions, no land value tax (though the concept is periodically debated), and no payroll tax beyond ACC levies.
How New Zealand's Tax System Compares
New Zealand's overall tax burden — tax revenue as a percentage of GDP — is broadly in the middle of OECD countries. The system raises sufficient revenue for a public sector that provides universal healthcare, free schooling, and a social safety net, but does not fund the extensive welfare states of some Scandinavian countries.
The reliance on GST — a flat-rate consumption tax that takes a proportionally higher share of income from lower earners than higher earners — is sometimes criticized as regressive. New Zealand's broad GST with few exemptions produces more revenue than most comparable consumption taxes, but critics argue it places relatively more burden on those with lower incomes.
The absence of a capital gains tax is criticized by many economists as creating a distortion — making property investment artificially attractive compared with productive business investment because property gains escape tax while wages and business profits do not.
Defenders of the current system argue that its simplicity, broadness, and low compliance costs are genuine advantages, and that a capital gains tax would create complexity, distort behaviour, and produce less revenue than proponents claim.
Quick Q&A
How does income tax work in New Zealand? New Zealand uses a progressive system with five income brackets and rates from 10.5 percent to 39 percent. The rate applies only to income within each bracket — not to total income. For most employees, income tax is collected automatically through PAYE deductions from wages.
What is GST? Goods and Services Tax — a flat 15 percent tax included in the price of almost all goods and services. It is paid by the final consumer. Businesses collect GST on sales, claim it back on purchases, and remit the net amount to Inland Revenue.
Does New Zealand have a capital gains tax? No comprehensive capital gains tax exists. A bright-line test taxes profits from residential investment property sales within two years of purchase. Profits from property bought with the intention of resale can be taxed as income. A broad capital gains tax is a major political debate heading into the 2026 election, with Labour proposing one and National opposing it.
What is the company tax rate? 28 percent on profits. New Zealand's imputation system allows companies to pass tax credits to shareholders when paying dividends, preventing double taxation.
What is KiwiSaver? A voluntary workplace retirement savings scheme. Employees contribute a minimum of 3 percent of earnings; employers contribute a minimum of 3 percent. New employees are automatically enrolled and must opt out. Contributions are invested until retirement.
Key Takeaway
New Zealand's tax system is built on three main pillars — progressive income tax collected through PAYE, a broad 15 percent GST, and company tax. It is simpler than most comparable countries' systems, with no comprehensive capital gains tax and few exemptions. That simplicity is a genuine achievement but also a source of persistent controversy — the absence of a capital gains tax means profits from property and other assets largely escape tax while income from work is taxed progressively. How New Zealand resolves that tension — whether through a capital gains tax, a wealth tax, or by maintaining the status quo — is one of the central questions of the 2026 election.
Sources
Inland Revenue — Tax Rates for Individuals
Inland Revenue — GST
BDO New Zealand — Tax Rates and Stats 2025-2026
Salaries NZ — NZ Tax Brackets 2025-2026
Newsroom — Labour to Campaign on Narrow Capital Gains Tax, No Wealth Tax, October 2025
NZ Herald Generate Wealth Weekly — Capital Gains Tax: A Fairer Future, or a Trojan Horse?
NZ Adviser — Debate Over New Capital Gains Tax Policy Persists
National Party — Labour's Proposed Capital Gains Tax Is Bad for Kiwis and New Zealand