If you’re in your mid to late teens, or your early 20s, chances are retirement isn’t exactly keeping you awake at night.
You’re probably more focused on things like study, work, travel, moving out, or eventually buying your first home.
Which is exactly why starting KiwiSaver early matters.
Because KiwiSaver isn’t just about retirement. It’s about giving yourself more options later by making a smart decision today.
So, the short answer is yes.
More options for future you.
One thing you have right now that you’ll never have more of is time.
Not because you’re young, but because time is what helps make KiwiSaver savings grow.
Your balance doesn’t just grow because you put money in. It grows because the money already in there earns money.
This is called compound growth. Each year, any returns your investment earns get added to your balance. Then next year, you earn returns on that bigger balance. And so on.
Investment returns are not guaranteed, and your KiwiSaver balance can go up and down. The longer your money is invested, the more time it has to benefit from compound growth.
Starting at 18 instead of 28 doesn’t just give you an extra 10 years of saving. It gives your money 10 extra years to grow on top of itself.
So rather than thinking, “I’ve got heaps of time, I will start tomorrow,” remember that every year you wait is a year your savings could have been growing.
You’re not saving alone.
If time doesn’t convince you, remember KiwiSaver comes with contributions that can help boost your savings too. If you contribute, your employer has too (from your age 16 if you’re eligible). On top of that, the government puts in money too if you put in enough.
Let’s run a scenario. Say you’re 17, working part-time, earning around $30,000 a year. You start contributing to a Christian KiwiSaver Scheme account at the default rate of 3.5%.
Your employer also contributes 3.5% on top of that. The government chips in $260.72 per year (you qualify for this from age 16, as long as you contribute $1,042.86 per year). And your balance – even a modest starting one – just sits there, growing.
Using the figures from our KiwiSaver calculator, here’s a rough picture of how that balance could build over time in a Growth Fund (estimated at 4.5% p.a.):
By your mid-20s, you’re looking at a balance well into five figures. By your early 30s, it could be sitting around $50,000 or more – not because you did anything dramatic, but simply because you started when you were young and let time do the heavy lifting.
Compare that with someone who starts at 25 on the same income with the same contributions. They’ll eventually get there too, but the gap between the two of you compounds along with everything else.
The person who started at 17 will likely have tens of thousands more by the time they’re ready to buy a home or think about their future.
Wait – you said first home?
Yes. One of the benefits of joining KiwiSaver early is that after three years of membership, you may be able to withdraw your savings to help fund your first home deposit.
If you join early, you’re giving yourself more time to build savings, collect contributions, and benefit from investment growth before you’re ready to buy.
If you join at 16 or 17, that means you could potentially be tapping into your KiwiSaver savings balance in your early 20s – before most of your peers have even started saving.
In a housing market where every dollar counts, getting started sooner can make a real difference.
What’s the deal with fees for under-18s?
There aren’t any. If you’re under 18 and a member of Christian KiwiSaver Scheme, you pay no membership fees.
That means every dollar you contribute, and every dollar contributed on your behalf, stays invested and working towards your future.
What changed in April 2026?
From 1 April 2026, the minimum contribution rate for employees and employers increased from 3% to 3.5%.
If you’re 16 or 17 and working, you may also benefit from employer contributions and, if eligible, government contributions. Previously, many young workers had to wait until age 18 to receive these benefits.
That means there has never been a better time to get started.
So how do you join?
If you’re between 13 and 17, you’ll need a parent or guardian’s consent to join – but the process is straightforward. You can join Christian KiwiSaver Scheme directly, choose your fund type, and start from there. There’s no required minimum contribution for under-18s, so you can start small and build from there.
If you are 16 or 17, you can join Christian KiwiSaver Scheme directly, but one legal guardian will need to co-sign your application. You cannot join through your employer.
If you are 18 or over, you can join directly yourself.
If you want to see what your own balance could look like over time based on your wages, contribution rate, and starting age, the KiwiSaver calculator on our website is a good place to start.
The real reason people say “start early”
When people say “start early”, they’re not trying to make you think about retirement at 17.
They’re talking about options.
The version of you in your 30s with $60,000 in KiwiSaver savings will have a very different set of opportunities than the version with $15,000.
That difference isn’t luck.
It’s time.
And right now, time is the one advantage you have more of than anyone else.
This article is for educational purposes only and does not constitute financial advice. Please seek advice from a qualified financial adviser when making decisions about your financial situation.
The New Zealand Anglican Church Pension Board trading as Anglican Financial Care is the manager and issuer of Christian KiwiSaver Scheme, The Retire Fund and The New Zealand Anglican Church Pension Fund. Product Disclosure Statements and Fund Updates are available at angfincare.nz/news-and-knowhow/forms-and-documents/