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German investment income: flat tax or personal rate? (Günstigerprüfung)

On application, investment income net of the saver's allowance is added to your other income and taxed at the ordinary rates, provided this lowers income tax including surcharges. That only pays while your marginal rate stays below 25 per cent.

2026 rules — verified on September 21, 2026Free, no account

This content is part of the path: Taxing and declaring investment income· Step 6 of 7· Next step: German income tax return (ESt 1 A)

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Sources and assumptions

Calculation assumptions

  • Excludes church tax: it is one of the surcharges in the comparison, but its rate depends on the federal state and is not calculated here.
  • The investment income entered has already been netted against losses under § 20 (6).
  • Excludes the exceptions in § 32d (2) (related parties, shareholdings, partial-income method) and any credit for foreign tax.

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This result is provided for information purposes only and does not constitute personalised tax advice. Check your situation with the tax authorities or a professional.