Methodology & sources catch-up 2026
What we calculate
1) Catch-up limit for 2025 — the maximum amount you can contribute to Pillar 3a in 2026 for the missed 2025 year.
2) Tax savings estimate — an approximate amount you could save on income tax thanks to the Pillar 3a deduction.
2) Tax savings estimate — an approximate amount you could save on income tax thanks to the Pillar 3a deduction.
What we do NOT calculate / possible differences
The calculation is simplified and does not account for all individual circumstances. Differences from official tax calculations may occur due to:
• cantonal methodology differences
• rounding
• legislative changes
• individual deductions and circumstances not covered by the calculator
• cantonal methodology differences
• rounding
• legislative changes
• individual deductions and circumstances not covered by the calculator
Sources
The calculation is based on data from the Federal Tax Administration (ESTV/AFC) and cantonal tax rates. Pillar 3a limits correspond to official values for 2025/2026.
Methodology version: 2026-02 (Beta)