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Guide

Pillar 3a

Pillar 3a is the tied private pension provision within Switzerland's three-pillar system. Employed individuals make voluntary contributions to a 3a account or custody account and deduct the amount from their taxable income. The capital remains tied until at most five years before the reference age, with defined exceptions such as owner-occupied residential property or self-employment.

The essentials

  • With a pension fund (2nd pillar), the maximum contribution for 2026 is CHF 7'258 per year.
  • Without a pension fund, for example as a self-employed person, contributions of up to 20% of earned income and no more than CHF 36'288 are permitted (2026).
  • Upon withdrawal, Pillar 3a capital is taxed separately from other income at a reduced rate, which varies by canton.
  • Early withdrawal is permitted, among other circumstances, for owner-occupied residential property, commencement of self-employment, or permanent departure from Switzerland.
  • Staggering withdrawals across multiple 3a accounts in separate tax years can reduce the tax progression on distributions.
  • Contribution gaps from the 2025 contribution year onwards can be closed retroactively; the first buy-in is possible in the 2026 tax year. This requires OASI-liable earned income both in the year of the buy-in and in the year with the gap, together with the full ordinary annual contribution. Per year, at most the so-called small contribution is permitted (2026: CHF 7'258), and contributions may be made up for gaps going back up to ten years.

Sources: BVV 3 Art. 7, Abzugsberechtigung für Beiträge (fedlex, DE) · BVV 3 Art. 7a (fedlex, DE) · BVV 3 Art. 3, Ausrichtung der Leistungen (fedlex, DE)

How Pillar 3a works in tax terms

The 3a contribution reduces taxable income in the year it is paid. The value of that deduction depends on the marginal tax rate, which differs by income and canton of residence. The ceiling is not a franc amount in the ordinance but a quota: art. 7 BVV 3 sets 8% of the upper BVG threshold for employees and self-employed people who belong to a pension fund. Those who do not may deduct up to 20% of earned income, but no more than 40% of that threshold. Because the threshold is adjusted periodically, both maxima move with it. For 2026 they are CHF 7'258 and CHF 36'288.

When the capital becomes available

The capital is tied, not frozen. Art. 3 BVV 3 permits withdrawal at the earliest five years before the reference age. Anyone who demonstrates continued gainful employment can defer it by up to five years beyond that age. Before this window, early withdrawal is possible only in defined cases, among them owner-occupied residential property, taking up self-employment or permanent departure from Switzerland. On withdrawal the capital is taxed separately from other income and at a reduced rate. The resulting tax varies considerably by canton. The place of residence in the year of withdrawal is decisive.

New since the 2025 contribution year

Until 2024 a missed contribution was lost for good. Since the revision of the BVV 3, gaps can be closed retroactively. That is possible for the first time in the 2026 tax year, going back up to ten years. Art. 7a BVV 3 ties this to conditions: entitlement to contribute in the years with the gap, the full ordinary annual contribution for the buy-in year, and a buy-in of at most 8% of the upper BVG threshold in that year, CHF 7'258 in 2026. Gaps from before 2025 remain excluded. A gap from 2025 can therefore be closed by 2035 at the latest.

Frequently asked questions about Pillar 3a

The maximum amount depends on whether you are affiliated with a pension fund (2nd pillar). With a pension fund, contributions of up to CHF 7'258 are permitted in 2026. Without a pension fund, for example as a self-employed person, the limit is 20% of earned income and no more than CHF 36'288. Self-employed individuals may therefore also contribute to Pillar 3a. Contributions are deductible from taxable income.
Ordinary withdrawal is permitted at the earliest five years before the OASI reference age. Early withdrawal is only possible in defined circumstances: purchase of owner-occupied residential property, commencement of self-employed activity, permanent departure from Switzerland, or a voluntary buy-in to a pension fund.
Multiple accounts allow for staggered withdrawals across several tax years. As the capital is taxed separately and progressively upon distribution, staggering can reduce the overall tax burden. The precise effect depends on your canton of residence. Tax treatment may change; consult your cantonal tax authority.
A 3a savings account earns interest on your balance; a 3a securities solution invests it in the capital markets. Over longer time horizons, a securities solution may generate higher returns, but it is subject to fluctuations. Past performance is not an indicator of future returns. The right choice depends on your investment horizon and capacity for risk.
Yes, but only from the 2026 tax year onwards and only for gaps from the 2025 contribution year. Earlier years remain excluded. This requires OASI-liable earned income in Switzerland both in the year of the buy-in and in the year being made up, together with the full ordinary annual contribution. Per year the buy-in is limited to the so-called small contribution (2026: CHF 7'258), and contributions may be made up for gaps going back up to ten years; a gap from 2025 can therefore be closed until 2035 at the latest.

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This overview is for general information purposes only and does not constitute investment, legal or tax advice. It is a simplified summary of the legal position and tax treatment.

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