The 4 cheapest public health insurance companies in Germany

Health insurance costs in Germany rose sharply in 2026. The average Zusatzbeitrag (additional contribution) jumped to 2.90% — up from 2.5% in 2025 — bringing the average total contribution rate to 17.50%.

If you've noticed a bigger deduction on your paycheck this year, you're not alone. Many public insurers raised their rates significantly, some by 0.5–1.0 percentage points.

The good news: if you're on public health insurance, you can switch providers — and switching to a cheaper insurer can save you €100–€250 per year while keeping exactly the same core coverage.

All public health insurers (Krankenkassen) are legally required to offer the same essential benefits. The only thing that changes between providers is the Zusatzbeitrag, optional extras (Satzungsleistungen), and service quality. So switching to a cheaper fund doesn't mean worse healthcare.

For a full breakdown of what all types of insurance cost, see how much health insurance is in Germany. Below, we focus specifically on finding the cheapest public option for 2026.

The 10 cheapest public health insurance companies in 2026

These nationwide insurers (bundesweit geöffnet) offer the lowest total contribution rates in 2026. Sample costs are based on a gross monthly income of €5,000 (€60,000/year). Employees and employers split the contribution 50/50 — the amounts below are the employee's share only.

For comparison, the average total contribution rate in 2026 is 17.50% (employee cost: €437.50/month at €5,000 gross). So providers ranked 1–7 are below average, while ranks 8–10 are close to or slightly above.

Want English support? TK (Techniker Krankenkasse) is the standout choice: it offers full English-language customer service, an English app, and is the largest public insurer in Germany with over 11 million members. At 17.29%, it's still well below average.

For a deeper comparison beyond just price, see our guide to the best public health insurance in Germany, which evaluates providers on service, bonus programs, and extra benefits.

How much can you save by switching?

The savings depend on your income and your current provider's rate. Here's what switching from the average rate (17.50%) to the cheapest provider (BKK firmus, 16.78%) saves at different income levels:

The savings are capped at the Beitragsbemessungsgrenze (contribution assessment ceiling) of €5,812.50/month (€69,750/year) in 2026. Income above this ceiling isn't subject to health insurance contributions.

If you're switching from a more expensive provider (like KNAPPSCHAFT at 18.90% or BKK24 at 18.99%), the savings are even larger — up to €400+ per year at higher incomes.

Beyond premiums, bonus programs (Bonusprogramme) can offset your costs by another €50–250/year if you attend preventive check-ups and stay active.

Why are these public health insurance options cheaper?

The reason comes down to one number: the Zusatzbeitrag (additional contribution).

Germany's base health insurance rate is fixed at 14.6% — every public insurer charges this (learn more in our guide to how public health insurance works). On top of it, each insurer sets its own Zusatzbeitrag, and that's where the price differences come from.

In 2026, the average Zusatzbeitrag is 2.90% (source: GKV-Spitzenverband). But the range is wide:

• Lowest: BKK firmus at 2.18% (total: 16.78%)
• Highest nationwide: BKK24 at 4.39% (total: 18.99%)
• Average: 2.90% (total: 17.50%)

Cost differences also come from how insurers are run. Smaller or regional providers often have lower overhead and pass those savings on to members. Larger insurers like TK and DAK invest more in digital tools, English support, and customer service — which is reflected in slightly higher rates.

Importantly: cheaper does not mean worse coverage. About 95% of benefits are mandated by law — the government tells all public insurers what they must cover. Core benefits (doctor visits, hospital stays, prescriptions, maternity, preventive care) are identical across all providers. The only differences are in optional extras like professional teeth cleaning subsidies, osteopathy coverage, or travel vaccination reimbursements.

If you're healthy and don't rely on extra services, choosing a lower-cost provider is a smart way to save without giving up essential coverage.

How to switch to a cheaper provider

Switching your GKV provider is straightforward. Here's the process:

1. Check your eligibility. You can switch after 12 months of membership with your current provider (the Bindungsfrist). But if your insurer raised its Zusatzbeitrag, you have a special cancellation right (Sonderkündigungsrecht) — no waiting required. Given the widespread rate increases in 2026, many members qualify right now.

2. Choose your new provider. Compare the options in the table above. Consider not just the rate, but also English support, app quality, and any bonus programs.

3. Sign up with the new insurer. Apply online or in person. Your new insurer handles the cancellation of your old membership — you don't need to contact your old provider separately.

4. Wait out the notice period. The standard notice period is 2 months to the end of a calendar month. So if you apply in April, the switch typically takes effect on July 1.

The entire process is free. There are no fees, no penalties, and no coverage gaps — your new membership starts the day after your old one ends.

For the full details — including special rules for switching from public to private health insurance — see our complete guide to switching health insurance providers.

Does the cheapest option depend on where you live?

All 10 providers in the table above are bundesweit geöffnet (open nationwide), meaning you can join them regardless of where you live in Germany. BKK firmus, TUI BKK, and hkk are available in every state.

However, Germany also has smaller regional insurers (regionale Betriebskrankenkassen) that only accept members in certain states. Some of these may offer rates below the nationwide cheapest — though their English support and digital tools tend to be more limited.

To check whether a regional insurer undercuts the nationwide options in your area, use the comparison tool at gesetzlichekrankenkassen.de — it lets you filter by state and shows every insurer available to you, including regional ones.

Our recommendation for expats: stick with a nationwide provider unless you're comfortable navigating everything in German. BKK firmus (16.78%) or TK (17.29% with excellent English support) are the safest bets regardless of where you live.

Conclusion

Here's what to take away about the cheapest public health insurance in Germany for 2026:

• BKK firmus (16.78%) is the cheapest nationwide option, but offers limited English support
• TK (17.29%) is the best choice if you need English-language service — and it's still well below average
• All providers offer the same core coverage — switching to a cheaper fund doesn't mean worse healthcare
• At average income, switching from a typical provider to BKK firmus saves €200+/year
• The switching process is free, painless, and handled mostly by your new insurer

If your insurer raised its Zusatzbeitrag this year, you may have a Sonderkündigungsrecht right now — making it the perfect time to switch.