TL;DR: All German Krankenkassen provide identical medical coverage by law. The only real difference is price (Zusatzbeitrag) and extras. In 2026, rates range from 2.18% to 4.39% — that is up to €550/year difference for the same coverage. Best all-round for expats: TK (2.69%, full English). Cheapest nationwide: hkk (2.59%, German only).
Last updated: May 2026. Rates from krankenkassen.de. Calculator uses 2026 Beitragsbemessungsgrenze.
When we moved to Germany, we picked TK because our relocation agent said "everyone uses it." Three years later, we realized we'd been overpaying compared to cheaper options that offer the exact same medical coverage. The law literally guarantees it.
Here is the thing nobody tells you: all Krankenkassen in Germany cover the same treatments. Same doctors, same hospitals, same prescriptions. The Sozialgesetzbuch V (SGB V, §12) mandates it. The ONLY difference between providers is how much they charge in Zusatzbeitrag and what optional extras they throw in.
So why are 73 million Germans paying different amounts for identical healthcare? Because most people never bother comparing. We did the comparison for you.
How German Public Health Insurance Actually Works
German public health insurance (gesetzliche Krankenversicherung, GKV) uses a fixed contribution system. Every employed person earning under the opt-out threshold (Versicherungspflichtgrenze) of €77,400/year in 2026 must be in a Krankenkasse. You cannot opt out.
Your contribution is calculated as a percentage of your gross salary:
| Component | Rate 2026 | Who Pays |
|---|---|---|
| Base rate (allgemeiner Beitragssatz) | 14.6% | 50% you, 50% employer |
| Zusatzbeitrag (varies by provider) | 2.18% – 4.39% | 50% you, 50% employer |
| Total contribution | 16.78% – 18.99% | Split equally |
Your employer always pays exactly half. Contributions are capped at the Beitragsbemessungsgrenze (contribution ceiling) of €69,750/year (€5,812.50/month). Earn more than that? Your contribution stays the same — you don't pay more.
- Base rate: 14.6% (fixed for all Krankenkassen)
- Average Zusatzbeitrag: 2.9% (government reference, set by BMG)
- Contribution ceiling: €69,750/year (€5,812.50/month)
- Opt-out threshold: €77,400/year (above this, you CAN choose private)
- Max employee contribution (TK): ~€503/month
2026 Zusatzbeitrag Rates: Every Provider Compared
The Zusatzbeitrag is the only rate that differs between providers. In 2026, the government average jumped from 2.5% to 2.9% — the steepest increase in GKV history. But individual Krankenkassen range from 2.18% to 4.39%. That spread is real money.
On a €55,000 gross salary, the difference between the cheapest nationwide option (TUI BKK, 2.50%) and the most expensive (BKK 24, 4.39%) is roughly €550/year out of your pocket — for identical medical coverage.
Nationwide Krankenkassen (bundesweit geöffnet)
| Krankenkasse | Zusatzbeitrag | Total Rate | English Service |
|---|---|---|---|
| TUI BKK | 2.50% | 17.10% | No |
| hkk | 2.59% | 17.19% | No |
| Audi BKK | 2.60% | 17.20% | No |
| Techniker Krankenkasse (TK) | 2.69% | 17.29% | Yes (full) |
| WMF BKK | 2.85% | 17.45% | No |
| HEK | 2.89% | 17.49% | No |
| BKK Linde | 2.99% | 17.59% | No |
| DAK-Gesundheit | 3.20% | 17.80% | Yes (app + hotline) |
| BARMER | 3.29% | 17.89% | Yes (phone + signup) |
| IKK classic | 3.40% | 18.00% | No |
| Novitas BKK | 3.60% | 18.20% | No |
| BIG direkt gesund | 3.69% | 18.29% | No |
| KKH | 3.78% | 18.38% | No |
| SBK (Siemens BKK) | 3.80% | 18.40% | No |
| Knappschaft | 4.30% | 18.90% | No |
| BKK 24 | 4.39% | 18.99% | No |
Notable Regional Options (if you live in that state)
| Krankenkasse | Zusatzbeitrag | Region |
|---|---|---|
| BKK firmus | 2.18% | Niedersachsen, Bremen |
| AOK Rheinland-Pfalz/Saarland | 2.47% | RLP, Saarland |
| AOK Bayern | 2.69% | Bavaria |
| AOK Niedersachsen | 2.98% | Lower Saxony |
| AOK NordWest | 2.99% | NRW, Schleswig-Holstein |
| AOK Baden-Württemberg | 2.99% | Baden-Württemberg |
| AOK Nordost | 3.50% | Berlin, Brandenburg, MV |
Source: krankenkassen.de, rates effective January 2026. Some providers may adjust mid-year (rare but possible).
Calculate Your Exact Cost at Every Provider
Enter your gross salary below. The calculator shows your employee share (what actually leaves your paycheck) at each Krankenkasse. Remember: your employer pays the other half automatically.
See your exact employee contribution at every provider. Data: 2026 rates from krankenkassen.de
| Krankenkasse | Zusatzbeitrag | Your Monthly Cost | Annual Cost | English |
|---|---|---|---|---|
BKK firmus Niedersachsen/Bremen | 2.18% | €385 | €4,615 | — |
TUI BKK | 2.50% | €392 | €4,703 | — |
hkk | 2.59% | €394 | €4,727 | — |
Audi BKK | 2.60% | €394 | €4,730 | — |
Techniker (TK) | 2.69% | €396 | €4,755 | Yes |
AOK Bayern Bavaria | 2.69% | €396 | €4,755 | — |
WMF BKK | 2.85% | €400 | €4,799 | — |
HEK | 2.89% | €401 | €4,810 | — |
AOK Sachsen-Anhalt Sachsen-Anhalt | 2.89% | €401 | €4,810 | — |
AOK Niedersachsen Lower Saxony | 2.98% | €403 | €4,834 | — |
Best Krankenkasse for Expats: English Service Ranked
If you don't speak fluent German (and let's be honest, dealing with health insurance bureaucracy in German is painful even for B2 speakers), English service matters. Here are your realistic options:
Extra Benefits That Actually Differ Between Providers
Medical coverage is identical. But Krankenkassen compete on optional extras (Zusatzleistungen). These are funded from their Zusatzbeitrag revenue. Here is what actually varies:
| Extra Benefit | TK | BARMER | DAK | hkk |
|---|---|---|---|---|
| Travel vaccinations | Most covered | 100% covered | Most covered | Most covered |
| Osteopathy | 3 sessions/year, €40 each | 6 sessions/year | €40/session | 3 sessions/year |
| Professional dental cleaning | Subsidy (varies) | Up to €50/year | Subsidy | Up to €50/year |
| Fitness/prevention courses | 2 courses/year, up to €150 each | Up to €200/year | 2 courses/year | 2 courses/year |
| Bonus program value | Up to €150/year | Up to €200/year | €30 referral + activity | Up to €100/year |
| App quality | Excellent (English) | Good (German) | Good (English) | Basic |
BARMER offers up to €200/year in bonus programs. But their 3.29% rate costs you roughly €180/year MORE than TK (2.69%) on a €55k salary. The extras barely offset the higher rate. Do the math for your salary before choosing based on extras alone.
How to Switch Your Krankenkasse (Step-by-Step)
Switching is free, takes about 2 weeks of paperwork, and costs nothing. Here is exactly how it works under §175 SGB V:
Under §175 Abs. 4 SGB V, if your Krankenkasse raises its Zusatzbeitrag (which 44 providers did for 2026), you can cancel immediately with a 2-month notice period. Your Krankenkasse MUST inform you of this right in writing when they announce the increase. If they forget to notify you, your cancellation right extends indefinitely until they do.
Common Mistakes Expats Make with Krankenkasse
Our Recommendation by Situation
Frequently Asked Questions
What is the cheapest Krankenkasse in Germany in 2026?
Q: Which Krankenkasse offers English service for expats? TK (full English website, 24/7 phone, app), BARMER (English phone + sign-up), and DAK (English app + multilingual hotline). TK is the clear leader for English service at the lowest rate among the three.
Is coverage really the same at every Krankenkasse?
Q: How long do I have to stay before switching? 12-month binding period (Bindungsfrist) under §175 SGB V. Exception: Sonderkündigungsrecht if your provider raises rates — then you can leave with 2 months notice, regardless of how long you have been a member.
Can my employer force me to use a specific Krankenkasse?
Q: What happens to my Krankenkasse if I lose my job? You stay in your current Krankenkasse. If you receive Arbeitslosengeld (ALG I), the employment agency pays your contributions. If you are not receiving benefits, you become voluntarily insured (freiwillig versichert) with a minimum contribution based on a deemed income floor (~€1,178/month in 2026).
The Bottom Line
For most expats, TK is still the best choice. It combines a below-average rate (2.69% vs 2.9% average) with the best English service in the GKV system. You save money compared to BARMER and DAK while getting better language support.
If you already speak German and want to save an extra €25-50/month, switch to hkk (2.59%) or TUI BKK (2.50%). The coverage is identical — you are only giving up English customer service.
If you are currently at a provider charging 3.5%+ (looking at you, AOK Nordost, Knappschaft, BKK 24), you should switch immediately. The 2026 rate increases triggered special cancellation rights. You are overpaying for nothing.
Sources
- krankenkassen.de — Zusatzbeitrag comparison, all provider rates (accessed May 2026)
- GKV-Spitzenverband — Official registry of statutory health insurers
- Sozialgesetzbuch V (SGB V), §§12, 173, 175 — Coverage mandates, free choice, switching rules
- Bundesgesundheitsministerium — 2026 average Zusatzbeitrag announcement (2.9%)
- Sozialversicherungsrechengrößen-Verordnung 2026 — Contribution ceiling and opt-out threshold
- tk.de/en — TK English service portal
- barmer.de/en — BARMER English service
- dak.de/english — DAK English information
This article contains no affiliate links. We have no financial relationship with any Krankenkasse listed above. Recommendations are based purely on rate data and service quality research.
