Is KiwiSaver Enough to Retire On if You Earn a High Income?

KiwiSaver is one of the best savings habits most New Zealanders have, but for higher earners it is rarely the whole story. Because KiwiSaver contributions are a percentage of your pay and NZ Super is a flat, fixed amount, the more you earn, the smaller the share of your lifestyle they tend to replace. For many high earners, KiwiSaver is the foundation of a retirement plan rather than the entire plan.

How much of my income will KiwiSaver and NZ Super replace?

NZ Super pays broadly the same fixed amount regardless of what you earned during your working life. For someone on an average income, that flat payment replaces a reasonable slice of their previous pay. For someone who has been earning two or three times the average, the same payment covers a much smaller proportion of the lifestyle they are used to. KiwiSaver is designed to help fill that gap, but how far it stretches depends on how much you have contributed, for how long, and how your money has been invested.

Why do high earners often face a bigger retirement “gap”?

The gap is simply the difference between the income you would like in retirement and what guaranteed sources like NZ Super provide. Higher earners usually want to maintain a higher level of spending, so their gap is larger in dollar terms, even though their KiwiSaver balance may also be larger. Mortgages on more expensive homes, school fees, and lifestyle costs that run later into life can all add to the amount needed.

What can sit alongside KiwiSaver for higher earners?

KiwiSaver has contribution patterns and access rules that suit long-term retirement saving. Some higher earners also build wealth outside KiwiSaver — for example through other managed funds, shares, property, or their own business — so they have money they can draw on with more flexibility before and during retirement. The right mix depends on your goals, your timeframe, and how comfortable you are with risk, which is worth talking through rather than guessing at.

Does my KiwiSaver fund choice matter more when I earn more?

The type of fund you are in affects how your balance grows over time, and on a larger balance the difference between fund types can be substantial in dollar terms. That cuts both ways: more growth potential usually comes with more ups and downs along the way. Choosing a fund that matches your timeframe and your comfort with those movements matters at every income level, but the stakes are simply larger when the balance is larger. Our guide to choosing a KiwiSaver fund walks through the trade-offs.

How do I work out if I am on track?

A useful starting point is to picture the annual income you would like in retirement, subtract what NZ Super is expected to provide, and look at whether your KiwiSaver and any other savings are on track to cover the rest for as long as you need. It is an estimate rather than a precise science, and the numbers move as your situation changes, so many people revisit it every few years.

If you would like help mapping out where KiwiSaver fits in your bigger picture, our KiwiSaver page explains how we work with clients, and you are welcome to get in touch for a no-obligation conversation.

The information in this article is general information only and is not intended as financial, medical, health, tax or other advice. It does not take into account any individual’s personal situation or needs. You should consider obtaining professional advice from a financial adviser and/or tax specialist in relation to your own circumstances and before acting on this information.