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New Zealand Retirement Calculators

Free, localized retirement planning tools updated for the 2026 financial year in New Zealand.

New Zealand's KiwiSaver default employee and matching employer rates are 3.5% in 2026 and are already scheduled to rise to 4% for participating members on 1 April 2028. This calculator compares annual take-home pay and fund deposits under those rates, then compounds user-selected fixed-rate scenarios. National's plan to make membership compulsory from July 2028 is a separate election pledge, not a current rule.

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KiwiSaver Rate and Paycheck Scenario Calculator

Compare today's 3.5% KiwiSaver rate with the enacted 4% rate for contributing members from April 2028 or hypothetical higher rates. Membership remains voluntary; model standard and all-in pay packages.

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Government-Sourced DataAll calculators built from official regulatory sources by Galvin Mendonca, Software Engineer & Founder
Source links and illustrative assumptions appear on this page. Last reviewed July 2026.

Frequently Asked Questions

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