Most parents open an account in the child's name because it feels right, then put the money in and don't think about it again. That works, but it is not always the best option. Whose name the account is in changes what happens when the child turns 18. The account type determines how much tax you pay along the way. And the fund determines how much is actually left when you get there. Three simple decisions, but they are worth taking in the right order.
Open an ISK in your own name, invest the barnbidrag from day one in a global index fund under 0.20% TER, set up a standing order and let it run. Transfer the money to the child when they have a plan, not automatically at 18. There is no gift tax in Sweden, so you can give whenever the time is right.
I walk through each of the three decisions, work out what the barnbidrag can actually grow to, and cover what to do when the grandparents want in too. Run your own numbers in the children's savings calculator.
The three decisions
It is easy to get stuck on details about individual products when you really need to take three decisions in order. First: whose name is the account in? Yours or the child's? This affects what happens at 18 and who can withdraw money before then. Next: which account type? ISK (investeringssparkonto), KF (endowment insurance) or a regular savings account? This determines the tax. Finally: which fund? This determines the return. All three questions are linked, but they are easiest to answer one at a time.
Whose name?
This is the decision most people do not think about. If you save in the child's name, the money is legally theirs. That sounds fine, but it means you cannot withdraw it without approval from the overformyndare (the court-appointed guardian authority) in your municipality if the child is under 18 and the withdrawal does not clearly serve the child's own interest. In practice most people get it through, but it is an extra step, and in the worst case a lock that sticks just when you need the money. And at 18 the money is the child's, full stop. No check on whether they have a plan for it.
If you save in your own name you are in full control all the way. You can transfer the money when the child turns 18, or whenever you judge the timing right. There is no gift tax in Sweden, so a transfer to the child is always tax-free regardless of amount. My view: save in your own name until you are completely sure you want to lock the money away for the child and accept that it is theirs at 18 whatever the circumstances. For most people, your own name is the smarter choice.
ISK, KF or savings account?
For almost all children's savers the answer is ISK. The flat tax on an ISK applies only to the balance above 300,000 kr per person (from 2026). If you are saving the barnbidrag and a little extra, you will very likely be under that ceiling for many years. That means the return grows tax-free up to that level, without you having to calculate anything at all.
An endowment insurance (KF) works in much the same way for tax, but is more complex to administer and has higher fees at many banks. It can have advantages when you want to set beneficiaries or around inheritance, but for a simple children's savings plan it is rarely worth the extra complexity. A regular savings account is fine for a short-term buffer, but interest rates are low and you pay 30 percent capital tax on the interest. For a ten-year or longer savings horizon, an ISK is clearly better. Read more about the account options in the guide getting started with investing.
The barnbidrag as a savings strategy
Here is the concrete example that tends to convince people. The barnbidrag (child benefit) is 1,250 kr a month from the month after the birth up to and including the quarter the child turns 16 (after that a study grant takes over if they stay in school). If you invest the whole benefit every month from day one in a global index fund at 7 percent historical real return per year, here is roughly where you land at age 18:
- Total paid in: around 225,000 kr (1,250 kr × 15 years × 12 months)
- Value at 18: around 490,000 kr
- Growth from compounding: around 265,000 kr
In other words: you put in 225,000 kr and the growth did about the same amount of work. If you wait until the child is five you lose the early years when compound interest is most powerful and land closer to 300,000 kr instead. Every month you delay costs more than it feels like it should. Test your own numbers in the children's savings calculator.
When the grandparents want in
This is a common scenario: the grandparents want to contribute but are not sure how. The answer is simple: there is no gift tax in Sweden and no limit on how much you can give away tax-free. A grandparent can transfer 10,000, 100,000 or 500,000 kr directly to the parent's or child's account with no gift tax for anyone.
The cleanest setup: the parents own an ISK in their own name and the grandparents send money to it as a normal bank transfer. One account holds everything, everyone can contribute, nobody needs to open separate accounts or keep track of separate holdings. If a relative wants their own children's savings with the child as beneficiary, a KF is an option, but for most people it is an unnecessary complication. Keep it simple: one account, one fund, one standing order.
Which fund?
Short and clear: a global index fund with an annual fee (TER) under 0.20 percent. That means a fund that tracks a global equity index such as MSCI World or FTSE All-World and charges low fees to do it. Examples that meet the criteria are available at most Swedish online brokers. One fund, one standing order, and then leave it alone. No active funds, no thematic funds, no five funds "for diversification". An index fund is already diversified across thousands of companies. Want to see what the fee difference costs in kronor? Compare in the fund fee calculator.
My recommendation
Open an ISK in your own name. Set up a standing order for 1,250 kr (the full barnbidrag) into a global index fund under 0.20% TER. Do it the day the benefit starts arriving, not "when you get around to it". Then leave it alone. Transfer the money to the child when they show they have a plan for it, not automatically the day they turn 18. There is no gift tax, so you can choose the timing freely. If parents and family want to contribute: receive the money into your account and add it to the same fund. Simple, cheap, and the only thing you need to do is not touch it.