A head start worth giving
Starting early is the single biggest advantage in children's savings. With years until adulthood, even a modest monthly amount has time to compound into a meaningful sum – a driving licence, a deposit on a first home, or the freedom to study without debt.
Sweden has no dedicated tax-advantaged children's account like the UK's Junior ISA. Instead, most families save in an ordinary ISK – in the child's name or their own – where the schablon tax is minimal and a children's pot almost always stays under the 300 000 kr tax-free floor.
Many parents pay the monthly barnbidrag (1 250 kr) straight into the child's savings. Over 18 years at 7% that single habit grows to over 500 000 kr – without touching the household budget.
Amount is per child, including the family's flerbarnstillägg. Barnbidrag runs until age 16, then usually continues as studiebidrag (~1 250 kr/mo) during gymnasium – the calculator assumes a steady monthly amount, so lower it if you plan to stop saving earlier.
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Understanding Children's Savings
How much should I save for my child each month?
It depends on your goal and time horizon. Saving 1 000 kr per month from birth to age 18 at 7% return produces roughly 430 000 kr.
If your goal is to hand the child 200 000 kr at 18, you only need about 460 kr per month. The earlier you start, the less you need to save each month, because compound interest does more of the work.
Should I save in the child's name or my own?
An ISK in the child's name is managed by the parents (förmyndare) until the child turns 18, at which point the money automatically becomes the child's.
An ISK in your own name gives you full control even after 18 – you decide when, and whether, to transfer the money. Many parents save in their own name for flexibility and to avoid the överförmyndare rules that apply to larger withdrawals from a minor's account.
Which account type is best for children's savings?
ISK (investeringssparkonto) is usually best for long-term children's savings. The schablonskatt is roughly 1.07% per year, and from 2026 the first 300 000 kr is tax-free.
A children's savings pot almost always stays below that threshold, making it effectively tax-free. A depåkonto with kapitalvinstskatt only taxes you when you sell, but it has no tax-free amount. See the compound interest calculator for a deeper tax comparison.
How much does 1 000 kr a month become over 18 years?
Saving 1 000 kr per month for 18 years at 7% average return produces roughly 430 000 kr. You contribute 216 000 kr yourself – the remaining 210 000 kr or so is compound growth.
On an ISK staying under 300 000 kr, you pay no schablonskatt on most of that growth. Doubling the monthly amount roughly doubles the result.
What return should I assume for children's savings?
Because children's savings often have a long horizon, broad global equity funds fit well. A common planning assumption is 7% nominal per year, or 5% real after inflation.
Historically, Swedish equities (SIXRX) have returned 10% to 11% nominally since 1970, but 7% is a cautious and reasonable assumption for a plan. The backtest tool shows how real historical periods would have played out.
What happens to the savings when the child turns 18?
If the account is in the child's name, the child gains full control of the money at 18. If you saved in your own name, you keep control and can choose to gift the money whenever you wish – for a driving licence, a home deposit, or studies.
Gifts between private individuals are tax-free in Sweden, so there is no gift tax to worry about either way.
Is compound interest just as important for children's savings?
Yes – even more so. Children's savings often have 18 years or more of horizon, which makes compound interest extremely powerful. At 7% return, the capital roughly doubles every ten years.
Money invested early gets to compound through several doublings, so starting at birth rather than at age 10 can more than double the final amount. Starting early matters more than the exact monthly figure. The FIRE calculator applies the same maths to your own long-term goals.
Does Sweden have a Junior ISA or tax-free children's account?
No. Unlike the UK's Junior ISA, Sweden has no dedicated tax-advantaged account for children with its own allowance. The practical equivalent is an ordinary ISK, opened either in the child's name or the parent's.
An ISK in the child's own name gets its own 300 000 kr tax-free floor, separate from the parents' – a small advantage – but it comes with överförmyndarspärr: the money is legally the child's at 18, and larger withdrawals before then need the chief guardian's approval. Saving in your own name avoids that, but uses your own tax-free floor.