Country rules
The skjermingsfradrag: the deduction Norway forgets to brag about
Norway taxes share gains at an effective 37.84 percent, among the heaviest in Europe, and then, almost apologetically, hands part of it back through a mechanism most people cannot name. The skjermingsfradrag, the shielding deduction, exempts a modest risk-free return on your invested money every single year. It is small, it compounds, and for a patient FIRE saver it adds up to real money that most calculators simply ignore.
The idea in one paragraph
The state's logic: you should only pay the high share-income rate on returns above what a risk-free deposit would have earned. So each year, your cost basis (for an ASK, your deposits) earns a shielding allowance equal to a set rate, 3.6 percent for 2025, the most recent rate fixed; each income year's rate is set the following January. When you eventually sell with a gain, the accumulated allowance is subtracted from the taxable gain first. Whatever the allowance covers is taxed at zero.
It stacks, and that is the point
Unused shielding does not expire. It rolls forward and next year's allowance is computed on basis plus the unused pile, so the shield itself compounds. Hold a fund for fifteen years without selling, which is precisely what a FIRE accumulator does, and you arrive at drawdown with a decade and a half of stored deduction waiting to soak up your first taxed withdrawals.
Rough numbers: 1 million kroner of deposits earning a 3.6 percent shielding rate stores 36,000 kroner of allowance in a year. At the 37.84 percent effective rate, that single year's allowance is worth about 13,600 kroner of tax you will never pay. Run that for fifteen accumulating years, on a growing basis, and the shield quietly becomes six figures of avoided tax across your early drawdown.
Where it lives in a FIRE plan
Inside an ASK account the deduction accrues on your deposits while withdrawals spend those same deposits tax-free first, so by the time your drawdown reaches the gain layer, the stored shielding takes the first bite out of it. On an ordinary account it accrues per share lot on cost basis. Either way the effect is the same shape: the early, fragile years of retirement get cheaper, and the full 37.84 percent only truly lands late in the plan. The deduction cannot create a loss, and it belongs to the asset, so it is a reward for patience, not a trading trick.
The honest caveats
The rate follows short-term interest rates, so the fat 3.6 percent of the recent high-rate years will thin if rates fall; the plan should not assume it is forever. Selling resets the clock on the sold shares. And the deduction shields share income only; it does nothing against formuesskatt, which taxes the same pot from a different angle. Even so: in a country that taxes share gains this hard, a compounding, never-expiring deduction is not a footnote. It is one of the three or four rules that genuinely bend a Norwegian FIRE number.
Does anywhere else have one? Almost, and the almost is instructive
Of the eighteen countries Runway models, the skjermingsfradrag has no true counterpart anywhere. This is the one item on the Norwegian list that really is a local peculiarity rather than a local name for a common idea, and saying so is more useful than pretending otherwise. What other countries have instead are things that look similar from a distance and behave differently in a plan.
| Country | The nearest thing | Why it is not shielding |
|---|---|---|
| Norway | Skjermingsfradrag, a rate applied to your cost basis | The real thing. It compounds on unused amounts and never expires |
| Germany | The Sparer-Pauschbetrag | A flat yearly allowance, not a rate on what you paid. It does not grow with your basis and does not roll forward |
| United Kingdom | The ISA | A full shelter rather than a rate. Inside it nothing is taxed at all, so there is nothing to shield |
| Canada | The TFSA | Also a full shelter, same reasoning |
| Australia | Superannuation | A low-tax environment, not a deduction against a basis |
| Netherlands | Box 3 | The opposite shape. It charges you on a return the state assumes you made, rather than crediting you a return you did not make |
The difference that matters is what happens in a bad year. An allowance or a shelter is worth the same to you whether markets rose or fell. Shielding is a credit for the risk-free return you did not get, so it quietly does the most work in exactly the years a drawdown hurts most. That is why it belongs in a projection rather than in a footnote, and why a planner built on American or British assumptions has no slot to put it in.
Worth stating plainly: Runway models the shielding rate at a long-run 2 percent rather than chasing the published annual figure, because a projection running decades needs a rate that is honest about the average rather than precise about last year. See how each country is modelled. Figures are 2026 estimates, not tax advice.
Runway does this maths for you
Runway credits the shielding deduction the way Skatteetaten does, year by year, account by account. Your freedom age is free.
Download free on the App StoreFrequently asked
What is the skjermingsfradrag?
Norway's shielding deduction: each year your share investments earn an allowance equal to a set risk-free rate (3.6 percent for 2025, each year's rate fixed the following January) on their cost basis, and accumulated allowance is subtracted from taxable gains when you sell. It exempts the risk-free part of your return from the 37.84 percent effective share tax.
Does unused shielding expire?
No. It rolls forward, and future allowance is computed on basis plus unused shielding, so it compounds. Long holding periods build a large stored deduction, which is why the mechanism favours patient investors.
How does shielding work inside an ASK?
It accrues on the money you have paid into the account. Since ASK withdrawals return your deposits first tax-free, the stored shielding then reduces the taxable gain layer when your withdrawals eventually reach it.
Do other countries have a shielding deduction like Norway's?
No. Of the eighteen countries Runway models, none has a true skjermingsrente-style deduction against your cost basis. The near misses work differently: Germany's Sparer-Pauschbetrag is a flat yearly allowance rather than a rate, the UK ISA and Canadian TFSA are full shelters with nothing left to shield, Australian super is a low-tax environment, and Dutch Box 3 is the opposite idea entirely, taxing an assumed return instead of crediting one. The practical difference is that shielding is worth most in a bad year, when an allowance or a shelter is worth the same as always.
How much is the shielding worth to an early retiree?
As a rough shape: 1 million kroner of basis at a 3.6 percent rate stores 36,000 kroner of allowance a year, worth about 13,600 kroner at the 37.84 percent effective rate. Accumulated over a long saving career it commonly grows to six figures of tax that early drawdown years never pay.
Written by Dylan, maker of Runway
An Italian who moved to Norway, building the cross-border FIRE planner that did not exist for someone like me. Runway runs entirely on your iPhone. It is an educational planning tool, not financial or tax advice.
Curious what it does to your date? The free FIRE calculator gives the napkin number; Runway layers the Norwegian rules on top.
Sources worth checking yourself: skatteetaten.no on skjermingsfradraget and share income. The 2026 rate is set in January 2027; the figures here use the most recent fixed rate.