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Base rate under section 18 InvStG

Base rate 2026 for the Vorabpauschale

For 2026 the German finance ministry set 3.20%. Below is every year since the Vorabpauschale was introduced — with the letter that set it.

What the 2026 base rate means for your funds is what the Vorabpauschale calculator works out – free and without signing up.

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Base rate per year since 2018
YearBase rateSource
20263.20%BMF letter of 2026-01-13
20252.53%BMF letter of 2025-01-10
20242.29%BMF letter of 2024-01-05
20232.55%BMF letter of 2023-01-04
2022−0.05%negative — no Vorabpauschale
2021−0.45%negative — no Vorabpauschale
20200.07%BMF letter of 2020-01-29
20190.52%BMF letter of 2019-01-09
20180.87%BMF letter of 2018-01-04

Source: BMF letters under section 18 (4) InvStG. The rate derives from the yield on long-term public bonds on the first trading day of the year (Bundesbank) and is set annually.

Use this data freely

The series is available as JSON and CSV under CC BY 4.0 with attribution. Anyone embedding it in their own tools, spreadsheets or articles may do so without asking.

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Basiszins since 2018
Fields per year: year, rate (fraction), ratePercent, bmfLetter (date of the BMF letter), vorabpauschaleApplies.
GET https://planafolio.com/api/open-data/basiszins · /csv
Capital income tax parameters
Flat-rate tax, solidarity surcharge, effective burden per church tax option, saver's allowance since 2009 and partial exemption per fund type, each with its legal basis.
GET https://planafolio.com/api/open-data/kapitalertragsteuer · /csv

No sign-up and no API key, HTTPS, CORS for all origins, cached for 24 hours. License CC BY 4.0, attribution “Planafolio (planafolio.com)”.

What the rate means for your own portfolio is what the Vorabpauschale calculator works out — including the cap at the year's value increase, the pro-rata rule in the year of purchase and the partial exemption. The tax year is freely selectable there.

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Frequently asked

Understanding the base rate

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