Income Tax Changes in New Zealand from April 2026: What Businesses and Individuals Need to Know

From April 2026, several updates to New Zealand’s tax and payroll framework will affect both individuals and businesses. These include changes to KiwiSaver contribution rates, adjustments to ACC levies, and ongoing refinements to compliance and reporting requirements.

This guide explains the key updates in a clear and practical format, helping you understand how these changes may impact your income, payroll costs, and financial planning decisions.

For official details, refer to the Inland Revenue Department (IRD) update on April 2026 changes .

Key Tax Changes in New Zealand from April 2026

• KiwiSaver contribution rates are increasing
• ACC earner levy is rising
• Income tax rates remain unchanged
• Ongoing updates to compliance and reporting processes

While these changes may appear incremental, they can have a combined effect on take-home income, payroll costs, and long-term financial planning.

Income Tax Structure in New Zealand: No Major Changes

New Zealand will continue to operate under a progressive income tax system, where tax rates increase as income rises. There are no significant changes to income tax brackets or rates from April 2026.

However, even without changes to tax rates, other adjustments such as levies and contribution increases can affect overall income and business expenses.

KiwiSaver Contribution Changes

From April 2026, KiwiSaver contribution rates will increase.

What is changing

• Contribution rates increasing from 3% to 3.5%
• Applies to both employees and employers

Impact on individuals

• Slight reduction in take-home pay
• Improved long-term retirement savings

Impact on businesses

• Higher employer contribution costs
• Need to adjust payroll calculations and budgets

For more details on contribution requirements, visit the official KiwiSaver guidance .

ACC Earner Levy Increase

The ACC earner levy is also increasing from April 2026.

Key update

• Levy increasing to approximately 1.75%

What this means

• Individuals may see a slight decrease in net income
• Businesses will need to account for updated payroll deductions

For official rates and thresholds, refer to ACC levy rates on the IRD website .

Compliance and Reporting Updates

In addition to financial changes, there are ongoing improvements to tax compliance and reporting processes. These updates aim to simplify tax administration and improve accuracy for both individuals and businesses.

Staying up to date with these changes is important to ensure compliance and avoid penalties.

What These Changes Mean for Individuals

1. Adjustments to Take-Home Income

Increased KiwiSaver contributions and ACC levies may slightly reduce disposable income.

2. Long-Term Financial Benefits

Higher KiwiSaver contributions can improve long-term retirement outcomes.

3. Need for Budget Planning

Even small changes can affect monthly budgets, making financial planning more important.

What These Changes Mean for Businesses

1. Increased Employment Costs

Higher KiwiSaver contributions from employers will increase overall payroll expenses.

2. Payroll System Updates

Businesses may need to update payroll software and ensure accurate deductions and contributions.

3. Financial Forecasting

Adjusting forecasts to account for increased costs will help maintain profitability and cash flow stability.

Understanding how tax and payroll changes impact your business is essential. You can also read our guide on how to choose the right accountant in New Zealand to ensure you have the right advisory support.

Summary of April 2026 Tax Changes

Frequently Asked Questions

What are the main tax changes in New Zealand from April 2026?

The main changes include increased KiwiSaver contribution rates and ACC levies, while income tax rates remain unchanged.

Will income tax rates change in 2026?

No, there are no significant changes to income tax rates or brackets.

How does the KiwiSaver increase affect salary?

Employees will contribute a higher percentage of their income, slightly reducing take-home pay but increasing long-term savings.

How will these changes affect small businesses?

Businesses may experience higher payroll costs and will need to adjust systems and financial planning accordingly.

Do I need to take action before April 2026?

Yes, reviewing payroll systems, budgets, and financial plans in advance is recommended.

Conclusion

The income tax and payroll changes coming into effect in April 2026 reflect incremental but important adjustments to New Zealand’s financial landscape. While tax rates remain stable, increases in KiwiSaver contributions and ACC levies will influence both individual income and business costs.

Staying informed and preparing early will help ensure compliance, financial stability, and better decision-making in the year ahead.