How much tax does Pillar 3a actually save? CHF 1,100 to 2,500 a year
Updated · 2 sources
Direct answer
At the 2026 maximum contribution of CHF 7,258, Pillar 3a saves you CHF 7,258 times your marginal tax rate each year: about CHF 1,090 at 15%, CHF 1,815 at 25% and CHF 2,540 at 35%. It is partly a deferral, because withdrawals are taxed later, but at a separate reduced rate and often in a lower-income year, so most savers keep a real share of the saving.
Key facts
- Saving per year = contribution × marginal tax rate (federal + cantonal + municipal combined)
- At CHF 7,258: CHF 1,089 (15%), CHF 1,815 (25%), CHF 2,540 (35%)
- Withdrawal is taxed separately from income at a reduced rate; staggering accounts across years lowers it further
- Withholding-tax (Quellensteuer) payers only get the deduction if they obtain an ordinary assessment (NOV)
The saving at three tax rates
Your marginal rate is the tax on your next franc of income, not your average rate, and in Switzerland it is set mostly by canton and municipality. The same CHF 7,258 contribution is worth more than twice as much in a high-tax city as in a low-tax one, which is why generic '3a saves CHF 2,000' claims are meaningless without a place and an income.
| Marginal tax rate | Deduction | Tax saved per year |
|---|---|---|
| 15% (low-tax municipality) | CHF 7,258 | CHF 1,089 |
| 25% (typical mid case) | CHF 7,258 | CHF 1,815 |
| 35% (high income, high-tax city) | CHF 7,258 | CHF 2,540 |
Deferral, but at a discount, and the two traps
On withdrawal the full amount is taxed, separately from other income, at a reduced rate that also rises with the amount. The arbitrage works three ways: you deduct at your top working-years rate, you withdraw at a lower dedicated rate, and you split withdrawals over several years and accounts to stay in the cheap bands of that scale.
Trap one: paying Quellensteuer and never filing for an ordinary assessment (NOV), so the 3a deduction is never recognised. Trap two: contributing in a low-income year (studies, parental leave, sabbatical) when your marginal rate is near zero; a pension-fund buy-in or a later 3a catch-up for 2025+ gaps may be worth more. Run your own rate before deciding the amount, not after.
FAQ
- How do I find my marginal tax rate?
- Use your canton's tax calculator or last tax assessment: divide the extra tax on a hypothetical additional CHF 1,000 of income. The calculator on this site lets you enter that rate directly to size the 3a saving.
- Is Pillar 3a tax saving just a deferral?
- Partly. You deduct at your marginal working rate and pay a separate, reduced capital-withdrawal tax later. Because the exit rate is lower and withdrawals can be staggered across years and accounts, most savers keep a net saving, largest for high marginal rates.
- I pay Quellensteuer. Do I still save tax with 3a?
- Only if you obtain a subsequent ordinary assessment (NOV) by applying by 31 March of the following year. Without an NOV the tariff ignores your 3a contributions and the deduction is lost.
- Is it worth paying into 3a in a low-income year?
- The deduction is worth your marginal rate that year, which may be close to zero. If the income dip is temporary, compare waiting, a pension-fund buy-in in a stronger year, and the retroactive 3a buy-in now possible for gaps from 2025 onward.
Related guides
- Pillar 3a maximum for 2026: CHF 7,258 or 20% of incomeIn 2026 you can pay up to CHF 7,258 into Pillar 3a if you have a pension fund. Without one, the limit is 20% of net earned income, up to CHF 36,288.
- How much AHV pension will I get? The 2026 amounts and the 44-year ruleIn 2026 a full AHV old-age pension is between CHF 1,260 and CHF 2,520 per month depending on your average lifetime income, and a married couple's two pensions are capped together at CHF 3,780 (150% of the maximum). 'Full' requires 44 contribution years; every missing year cuts the pension by 1/44, and from December 2026 pensioners also receive the new 13th AHV pension payment.
- How to check and fix AHV contribution gaps before they cut your pensionEvery missing AHV contribution year cuts your old-age pension by 1/44 (about 2.3%) for life, but gaps can be back-paid within 5 years and youth years (17–20) can fill older ones. Order the free individual account extract (IK-Auszug) from ahv-iv.ch, compare every year from age 21 to retirement age against your salary certificates, and contest wrong entries within 30 days of receiving the statement.