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Public Krankenkasse

TK health insurance, explained

Techniker Krankenkasse — Germany's largest non-regional public insurer with strong digital service and English support.

Why people choose TK

Best for: Employees who want strong digital service, English-language support and a non-regional alternative to AOK.

  • Founded 1884

    Established 1884. ≈11 million members.

  • Zusatzbeitrag (2026): 1.7%

    On top of the base public rate (~14.6%), each Krankenkasse charges a small Zusatzbeitrag. The number changes annually.

  • Standard public benefits

    Same statutory benefit catalogue as every public insurer — Krankenkassen mainly differ on service and additional benefits.

  • Switching is easy

    You can switch Krankenkassen with two months' notice. Cancellation is straightforward and benefits continue uninterrupted.

TK at a glance

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FoundedFounded
MembersMembers
Zusatzbeitrag (2026)Zusatzbeitrag (2026)

Common questions

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Related guides

Two more pages that come up most often when people are at this stage.