by Paul Dao
09.02.2025
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Simulation: impact of wealth tax on the 3rd pillar

The 3rd pillar is a powerful tool for reduce your taxes in Switzerland. Here's what you need to know:

  • Pillar 3a : The funds are exempt from wealth tax in most cantons and contributions are deductible from taxable income. This allows you to limit your tax burdens in the long term.
  • Pillar 3b : The assets are subject to wealth tax and contributions are not deductible. However, some products like life insurance may offer partial benefits.
  • Cantonal differences : Tax rates vary greatly from canton to canton. For example, assets of CHF 500,000 are taxed at around CHF 2,500/year in Geneva, compared to CHF 750/year in Schwyz.

Conclusion : Maximize your Pillar 3a contributions is an effective strategy to reduce your taxes, especially in cantons where taxation is high. Use simulation tools to optimize your choices according to your situation.

Tax treatment of wealth tax: 3rd pillar vs other investments

Exemption from 3rd pillar wealth tax

Pillar 3a has a major tax advantage: the funds invested in it are not taken into account when calculating taxable assets. This advantage goes well beyond a simple tax deduction, as it limits the tax burden in the long term, both on capital and on the returns generated. As long as the money stays in pillar 3a, it is protected from wealth tax.

On the other hand, pillar 3b offers less flexibility in terms of tax exemption. Depending on the type of product chosen, such as life insurance, a partial exemption may apply. However, other investment solutions under pillar 3b remain fully subject to wealth tax. These differences directly influence investment strategies linked to old age provision.

Comparison of tax treatment by asset type

The table below illustrates the differences in tax treatment between pillar 3a, pillar 3b and other forms of investment:

Investment type Wealth tax Deductibility of payments Taxed returns Pillar 3a Exempt Deductible contributions Deferred taxation upon withdrawal Pillar 3b (depending on the product, e.g. life insurance) Partial exemption possible Non-deductible contributions Variable taxation depending on the product Other investments (shares, bonds, real estate, savings accounts) Taken into account when calculating wealth tax Not deductible Taxed according to the type of income (e.g. dividends, interests, rents)

This table highlights why pillar 3a is often preferred to optimize taxation, while other investments are directly subject to taxation.

Cantonal differences in wealth tax

Taxation in Switzerland varies considerably from canton to canton, and these differences have a direct impact on investment strategies. Wealth tax rates and thresholds differ from canton to canton, which reinforces the interest in using pillar 3a to reduce your tax burden. In cantons where wealth taxes are higher, maximizing contributions to pillar 3a can be particularly beneficial.

By gradually adjusting your payments into pillar 3a, it is possible to reduce your taxable assets and reduce your tax burden, especially for taxpayers living in cantons where taxation is heavier. This is a particularly effective strategy for optimizing your finances in the long term.

Simulation configuration and assumptions

Simulation parameters

To optimize the use of pillar 3a, we developed a simulation based on parameters that reflect Swiss reality. The initial assets vary between CHF 100,000 and CHF 2'000,000, in order to analyze the effects on different tax profiles.

  • Annual payments : CHF 7,056 for employees and CHF 35,280 for self-employed persons without a 2nd pillar, in accordance with the legal ceilings of 2025.
  • Return on investments : fixed at 4% per year, both for pillar 3a and for other types of investments, guaranteeing a fair comparison.
  • Savings period : evaluated over 10, 20 and 30 years, to measure the cumulative impact of tax benefits at different stages of working life.

Main assumptions used

The simulation is based on the principle that payments into pillar 3a are maximized before considering other investments. Inflation is integrated at a rate of 1.5% per year, influencing both the evolution of contribution ceilings and the real value of savings.

  • Wealth tax rate : varies between 0.3 per cent and 1.0 per cent of net taxable assets depending on the canton.
  • Cantonal exemption thresholds : between CHF 25,000 and CHF 100,000, which determines at what level of assets taxation begins for taxpayers with modest assets.

These hypotheses define a clear framework for evaluating the impact of local fiscal specificities on savings.

Why local tax rules matter

Cantonal fiscal disparities play a key role in the benefits of pillar 3a. For example, a taxpayer from Geneva with assets of CHF 500,000 Will pay approximately CHF 2,500 in tax per year, while a resident of Schwyz with the same wealth will only pay around CHF 750.

In cantons where taxation is higher (Geneva, Vaud, Jura), the savings generated by the Pillar 3a tax exemption are significantly greater than in regions such as Central or Eastern Switzerland. In addition, the regular adjustments of the cantonal tax scales, which change the rates and thresholds, influence the attractiveness of pillar 3a depending on the region and the period studied.

Simulation results: effects of wealth tax on the 3rd pillar

Key findings from the simulation

Based on the assumptions and parameters defined above, the simulation reveals that the tax exemption offered by pillar 3a provides a much greater cumulative advantage than that of traditional investments. By reinvesting the savings made through these tax advantages, it is possible to significantly increase capital in the long term, especially in cantons where wealth taxes are particularly high.

Evolution of wealth over the long term

Over periods of 10, 20 and 30 years, the results show that the gap in favour of pillar 3a is widening considerably. This highlights the importance of contributing regularly and maximizing payouts to take full advantage of this cumulative effect and promote wealth growth over the long term.

Variations by canton

The simulation also highlights the crucial impact of the canton of residence. In cantons where wealth taxes are high, the tax savings associated with pillar 3a significantly exceed those of traditional investments. On the other hand, in the cantons where taxation is lighter, although pillar 3a remains advantageous, the difference in performance is narrowing.

These results confirm the importance of adapting your strategy according to your fiscal situation. Customized simulation tools, such as those offered by Best Third Pillar, take into account the fiscal specificities of each canton to offer accurate projections adapted to each individual.

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Practical advice and recommendations

Why maximise payments to the 3rd pillar

Optimizing your contributions to pillar 3a is an effective way to reduce your taxes in Switzerland. In 2026, the deduction limit is CHF 7'258 for people affiliated to a 2nd pillar and CHF 36'288 for those who are not. Let's take an example: with a taxable income of CHF 70,000, investing CHF 6,000 in pillar 3a can generate a 12% tax savings, while offering an effective return of 26%. If you are self-employed and not affiliated to a 2nd pillar, your contributions should not exceed 20% of your annual profit. These numbers clearly demonstrate the value of maximizing your payments.

Other 3rd pillar tax benefits

Pillar 3a is not limited to an immediate reduction in income tax. When withdrawing, taxation is reduced, and in the meantime, your earnings benefit from capitalization without intermediate taxation. This means that your capital can grow more efficiently over the long term. These combined benefits significantly strengthen your pension strategy and help you better prepare for your financial future.

Use custom simulations and expert help

To take full advantage of the benefits of pillar 3a, it is essential to use simulation tools that are adapted to your situation. The Swiss tax system, with its numerous cantonal and communal variations, can be complex. Customized simulations allow you to better understand the impact of your payments by taking into account parameters such as your income, marital status, other deductions and where you live.

Best Third Pillar Suggest free simulations which take into account these specificities. These tools integrate tax rates specific to your canton and municipality, offering you a realistic estimate of tax savings and wealth growth.

In addition, free consultations with experts can refine your strategy based on your personal goals. An annual follow-up is also recommended to adjust your payments according to changes in your income, your family situation or legislative changes. This ensures continuous optimization of your tax benefits and better preparation for retirement.

Everything you need to know about the 3rd pillar in Switzerland ¦ ↘️ Taxes ↗️ Wealth

Conclusion: Key points on wealth tax and the 3rd pillar

The analyses clearly show that pillar 3a offers a full wealth tax exemption. Unlike other types of investments subject to annual taxation, funds placed in pillar 3a avoid this tax, which varies between 0.3% and 1% depending on the canton.

This exemption can represent considerable savings in the long run. For example, for a heritage of CHF 500,000, the annual tax can vary between CHF 1,500 and CHF 5,000, depending on where you live.

Cantonal disparities play a key role in the impact of wealth taxes. A resident of Geneva or the Canton of Vaud, where the rates are generally higher, will suffer a greater tax burden than a resident of Zug or Schwyz, where these rates are lower. This is why it is crucial to adopt a strategy adapted to your canton and your specific needs.

Maximizing your contributions to pillar 3a is an essential step. In 2026, the ceiling for employees affiliated to the 2nd pillar will be set at CHF 7'258, thus increasing your cumulative tax savings over several decades.

To refine your strategy, it is recommended that you opt for a personalized approach. Tools like free simulations and expert advice available on Best Third Pillar can help you adapt your plan according to your personal situation and the specificities of your canton. This ensures tax optimization and effective preparation for your retirement.

FAQs

What are the tax advantages of pillar 3a in Switzerland compared to other savings or investment options?

Contributions to pillar 3a allow you to benefit from considerable tax advantage. They are deductible from your taxable income, up to a limit of CHF 7'056 per year for employees and up to CHF 35'280 per year for the self-employed.

But that is not all. In addition to reducing your taxes every year, pillar 3a helps you build savings for your retirement. The return accumulated under this framework benefits from advantageous taxation: it is not taxed as long as the funds remain in the pillar. It is a doubly beneficial solution, both to reduce your tax burden and to prepare for your financial future with peace of mind.

How do the differences between cantons affect the impact of wealth tax on my 3rd pillar?

In Switzerland, disparities between cantons have a considerable impact on how wealth tax affects your 3rd pillar. Each canton has its own tax rates and thresholds, which can significantly change the taxation applied to your savings.

These variations directly influence the amount of tax you will have to pay, especially when withdrawing from pillar 3a. Therefore, it is crucial to take into account your place of residence or to think about a strategy adapted to your cantonal situation. This can help optimize your savings while reducing the tax burden.

How can simulations help me optimize my pillar 3a savings while taking into account my tax situation in Switzerland?

Customized simulations allow you to better understand the impact of wealth tax and other tax aspects on your pillar 3a savings. By analyzing your personal financial and fiscal situation, these tools help you determine the ideal amounts to invest to reduce your taxes while increasing your retirement savings.

With these simulations, you have a clearer view of how to adjust your contributions to pillar 3a to achieve your long-term financial goals, while taking into account Swiss fiscal particularities. Take advantage of platforms offering free simulations to test different strategies adapted to your needs.

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