For international students in Germany in 2026, TK costs €141.16/month and has the best English support, AOK Bayern matches that price with the largest branch network, DAK is €145.52/month with the strongest alternative-medicine benefits, and BARMER is €146.29/month with 24/7 telemedicine. All four charge the same base premium of €87.38. Only the Zusatzbeitrag (2.47% to 3.50%) and extras set them apart.
Once you are enrolled at a German university and under 30, you can join any statutory health insurer (Gesetzliche Krankenversicherung, GKV) you want. They all cover the same legally mandated benefits — hospital stays, doctor visits, prescriptions, mental health care, dental checkups. The differences are in price, service quality, and the bonus programs. This guide walks through every number you need to make a confident choice.
Quick Verdict: Which GKV Should You Pick?
| Scenario | Best Choice |
|---|---|
| Best English support (24/7 hotline, English app) | TK |
| Cheapest price nationwide | TK / AOK Bayern (both €141.16) |
| Absolute cheapest anywhere | AOK Rheinland-Pfalz/Saarland (€139.27) |
| Best telemedicine and mental health extras | BARMER |
| Best alternative medicine (osteopathy, homeopathy) | DAK |
| Best in-person support with most branches | AOK (1,400+ offices) |
| Largest member base | AOK (27M) |
| Highest bonus cash-back potential | DAK (no upper cap) |
The Full 2026 Comparison Table
| Feature | TK | AOK Bayern | BARMER | DAK |
|---|---|---|---|---|
| Monthly cost (under 23 or with child) | €141.16 | €141.16 | €146.29 | €145.52 |
| Monthly cost (23+ childless) | €146.29 | €146.29 | €151.42 | €150.65 |
| Base KV premium | €87.38 | €87.38 | €87.38 | €87.38 |
| Zusatzbeitrag 2026 | 2.69% | 2.69% | 3.29% | 3.20% |
| Zusatzbeitrag in euros | €23.00 | €23.00 | €28.13 | €27.36 |
| Pflegeversicherung (under 23/with child) | €30.78 | €30.78 | €30.78 | €30.78 |
| Pflegeversicherung (23+ childless) | €35.91 | €35.91 | €35.91 | €35.91 |
| Member count | 12.3M | 27M (all AOKs) | 8.2M | 5.6M |
| English support | Excellent (24/7 hotline, English app) | Limited (varies by region) | Good (weekday English hotline) | Very limited |
| Branch network | ~200 | 1,400+ | ~400 | ~800 |
| Telemedicine | TK-Doc video | Regional partners | Teledoktor (app) | DAK App (basic) |
| Mental health extras | Standard GKV | Standard GKV | 7Mind app free 12 months + online CBT | Standard + digital coaching |
| Bonus program max | €200/year cash (€400 as Gesundheitsdividende) | Up to €200/year (varies by region) | Up to €200/year + Geld-zurück-Tarif | Uncapped cash (1 point = €1) |
| Standout feature | English-first service | Physical branches everywhere | 7Mind + Teledoktor | AktivBonus without cash cap |
| Join link | tk.de | aok.de | barmer.de | dak.de |
Core truth: The base premium (€87.38) and nursing care (€30.78 or €35.91) are set by federal law and are identical at every Kasse. Only the Zusatzbeitrag and the extras differ. Everything else you see in the press about “cheaper Kassen” is really about those two numbers.
Why All GKVs Cost (Almost) the Same: The Formula
Student GKV premiums are calculated the same way at every Kasse, based on § 245 SGB V. The formula:
Base KV premium = 10.22% × €855 = €87.38/month
- 10.22% is the KVdS rate (Krankenversicherung der Studenten) — legally fixed as 70% of the general health-insurance contribution rate (14.6%).
- €855 is the BAföG-Bedarfssatz — the standard monthly living support for students, raised from €815 on 1 October 2024 and unchanged for 2026.
On top of that come two extras:
Zusatzbeitrag (varies by Kasse): Each Kasse sets its own rate, also applied to €855. TK charges 2.69% (€23.00/month). BARMER charges 3.29% (€28.13/month). The 2026 market average is 2.9%.
Pflegeversicherung (nursing care):
- €30.78/month if you are under 23 or have at least one child (rate of 3.6% on €855).
- €35.91/month if you are 23 or older and childless (4.2% — includes the Kinderlosenzuschlag of 0.6%).
- With multiple children under 25, the nursing-care rate drops further: 2 kids €28.64, 3 kids €26.51, 4 kids €24.37, 5+ kids €22.23.
Example: A 22-year-old international student joins TK. She pays €87.38 base + €23.00 Zusatzbeitrag + €30.78 nursing care = €141.16/month. After her 23rd birthday, her nursing care jumps to €35.91, so her total becomes €146.29. If she had picked BARMER instead, the same 22-year-old would pay €146.29, and after turning 23 €151.42 — about €5 more per month across both stages.
Across the whole 10-semester degree that €5 gap adds up to €300. Not huge, but not nothing. Whether it is worth paying it for BARMER’s telemedicine or DAK’s alternative medicine depends on what you actually use.
TK (Techniker Krankenkasse) — The English-First Choice
TK is Germany’s largest statutory health insurer with 12.3 million insured members, and the single most common choice for international students. The reason is simple: TK treats English speakers as real customers, not afterthoughts.
What TK does well
- 24/7 English hotline. Not a call-back service — an actual English-language phone line you can use from day one.
- TK-App in English. Submit documents, book video consultations, track your insurance card — all in English.
- English website at tk.de/en with a student-specific enrollment path.
- Zusatzbeitrag 2.69% — among the lowest major nationwide Kassen (was 2.45% in 2025 — they raised it for 2026).
- Bonus program up to €200/year cash (or €400/year if you reinvest it as Gesundheitsdividende for health products). You earn points for annual checkups, dental visits, vaccinations, fitness-tracker activity, sports club membership.
What TK does not do well
- Branch network is smaller than AOK. If you prefer solving things face-to-face, a walk-in TK office may not exist in your town.
- Like every GKV, TK covers only the standard federally-defined benefits. Extras like free mindfulness apps or telemedicine are lighter than BARMER’s.
Who should pick TK
Pick TK if English support is non-negotiable, if you want the lowest realistic monthly price at a nationwide Kasse, or if you like doing everything through an app. For most international students arriving in Germany for the first time, TK is the default safe pick.
Many blocked-account providers (like Expatrio and Fintiba) bundle TK into their packages — see our Expatrio vs Fintiba vs Coracle comparison for how that works.
AOK — The Regional Giant With 1,400+ Branches
AOK is not a single insurer — it is a federation of 11 regional insurers (AOK Bayern, AOK Nordost, AOK Baden-Württemberg, etc.), each legally independent but all operating under the AOK brand. Together they cover 27 million people, making AOK collectively the largest health insurer in Germany.
The regional puzzle: which AOK is cheapest?
Your Zusatzbeitrag depends on which regional AOK you join. Here is the full 2026 list, ranked from cheapest to most expensive:
| Regional AOK | Zusatzbeitrag 2026 | Monthly (under 23) | Monthly (23+ childless) |
|---|---|---|---|
| AOK Rheinland-Pfalz/Saarland | 2.47% | €139.27 | €144.40 |
| AOK Bayern | 2.69% | €141.16 | €146.29 |
| AOK Sachsen-Anhalt | 2.89% | €142.87 | €148.00 |
| AOK Hessen | 2.98% | €143.64 | €148.77 |
| AOK Niedersachsen | 2.98% | €143.64 | €148.77 |
| AOK Baden-Württemberg | 2.99% | €143.72 | €148.85 |
| AOK NordWest (NRW, SH) | 2.99% | €143.72 | €148.85 |
| AOK PLUS (Sachsen, Thüringen) | 3.10% | €144.66 | €149.79 |
| AOK Rheinland/Hamburg | 3.29% | €146.28 | €151.41 |
| AOK Bremen/Bremerhaven | 3.29% | €146.28 | €151.41 |
| AOK Nordost (Berlin, Brandenburg, MV) | 3.50% | €148.07 | €153.20 |
The spread is meaningful: AOK Rheinland-Pfalz/Saarland is €8.80/month cheaper than AOK Nordost — €105.60/year.
Honest note on scope: We focus on the four big nationwide Kassen because they are the realistic picks for English-speaking international students. Several smaller Betriebskrankenkassen (BKKs) charge a noticeably lower Zusatzbeitrag — BKK firmus sits around 1.84%, BKK Werra-Meissner around 2.19%, and HKK Krankenkasse around 2.19% — which can push student premiums below €138/month. We exclude them here because none offer English support, English apps, or English member portals. If you already speak German at B1+, opening at HKK or BKK firmus is a legitimately cheaper path than anything the big four offer.
Can you pick whichever AOK you want?
Technically yes: under Germany’s Kassenwahlfreiheit rules, you can join any statutory Kasse regardless of where you live. But AOK traditionally steers new members toward the regional AOK of their place of residence, and their regional services and partner doctor networks are tuned for that region. For a student in Berlin, joining AOK Rheinland-Pfalz/Saarland to save €8/month is legally allowed but practically awkward.
What AOK does well
- 1,400+ physical branches — in every mid-sized town in Germany.
- Strong regional partnerships with local doctors, hospitals, sports clubs.
- Some regional AOKs (Bayern, RP/Saar) match or beat TK on price.
- AOK Mein Leben app and Gesundheitsnavigator doctor-finder.
What AOK does not do well
- English support is inconsistent. Some branches in Munich, Hamburg, or Berlin have English-speaking staff; others do not. There is no central English hotline.
- Digital services lag TK. The apps are German-only.
- Zusatzbeitrag variance means your “AOK experience” in Schwerin is €8/month more expensive than in Saarbrücken.
Who should pick AOK
Pick AOK if you are based in Bayern or Rheinland-Pfalz/Saarland (cheapest options), if you value walk-in service at a physical office, or if your German is already strong. For a student in Berlin whose priority is saving money, TK is cheaper than AOK Nordost by €6.91/month.
BARMER — Telemedicine and Mental Health Specialist
BARMER is Germany’s second-largest statutory insurer with 8.2 million members. Its Zusatzbeitrag of 3.29% is noticeably higher than TK’s — students pay €146.29/month under 23 — but the extras are real.
What BARMER does well
- Teledoktor App — video consultations with doctors for common illnesses, prescription renewals, sick notes, skin checks, and second opinions before surgery. No appointment needed.
- 7Mind mindfulness app free for 12 months. Covers anxiety, sleep, focus courses. Useful for exam stress, homesickness, culture shock.
- Online cognitive behavioural therapy (CBT) programs — BARMER was among the first Kassen to add digital mental-health courses.
- 100% travel vaccination reimbursement — relevant for students who travel home to Asia, Africa, or South America during semester breaks.
- English hotline on weekdays and barmer.de/en with a dedicated student entry point.
- Two stackable bonus programs: standard Bonusprogramm (up to €200/year cashback) plus the Geld-zurück-Tarif (up to €200/year back). Requires matching preventive activities.
What BARMER does not do well
- €5/month more than TK (€61/year over four semesters).
- English hotline runs business hours — not 24/7 like TK.
- 7Mind app is free for the first 12 months only, not unlimited.
- Fewer branches than AOK (about 400 vs 1,400).
Who should pick BARMER
Pick BARMER if you have a history of anxiety or stress, if you expect to use telemedicine regularly, or if you travel home often (100% vaccination coverage). For a student with mental-health care as a priority, BARMER’s extras can be worth the €5/month premium over TK.
For the bigger picture on mental health support in student insurance, see our mental health coverage guide.
DAK-Gesundheit — Alternative Medicine and Uncapped Cash-Back
DAK is the third-largest nationwide Kasse with 5.6 million insured members. Its 2026 Zusatzbeitrag of 3.20% puts monthly cost at €145.52 under 23 — in the middle of the pack. What DAK wins on is extras.
What DAK does well
- AktivBonus with no upper cap on cash payouts. One point equals €1, and every point is redeemable. On paper this is the most generous bonus program among the four.
- +100% bonus on sport and fitness gear (shoes, bike, fitness equipment) — up to €500/year subsidy.
- Osteopathy subsidies as part of the bonus program — the only one of the four Kassen with an explicit osteopathy-focused benefit.
- Alternative medicine coverage: homeopathy, acupuncture, anthroposophic medicine are all subsidized.
- Professional dental cleaning subsidy (Professionelle Zahnreinigung, PZR) — typically not covered by standard GKV.
- 800+ service centers nationwide.
What DAK does not do well
- English support is very limited. The website has a few English pages, but staff and written correspondence are primarily in German. Fine for B1+ German speakers, uncomfortable for beginners.
- Digital services lag TK. No English app interface.
- Monthly cost €4.36 above TK (€52.32/year). You need to actually claim the bonuses to offset this.
Who should pick DAK
Pick DAK if you regularly use alternative medicine (acupuncture, osteopathy, homeopathy), if you are active in sports and buy gear, or if you are disciplined enough to collect bonus points every year. DAK is a bad fit if you speak no German and want English service — TK or BARMER are much better for that.
Decision Framework: How to Actually Choose
Here is a decision tree based on real student profiles:
| Your situation | Best pick | Why |
|---|---|---|
| Just arrived, limited German, want English everywhere | TK | 24/7 English hotline, English app, English website |
| Budget-focused, studying in Bavaria | AOK Bayern or TK | Both at €141.16/month |
| Budget-focused, studying anywhere, want nationwide service | TK | Cheapest nationwide |
| Student in Rheinland-Pfalz or Saarland | AOK RP/Saar | €139.27/month — the absolute cheapest |
| History of anxiety, depression, stress | BARMER | 7Mind app + online CBT + Teledoktor |
| Travel home often | BARMER | 100% travel vaccination reimbursement |
| Use acupuncture, osteopathy, homeopathy | DAK | Strongest alternative medicine coverage |
| Very active in sports, buy equipment often | DAK | +100% bonus on sport gear, up to €500/year |
| Want face-to-face service in a small town | AOK | 1,400+ branches nationwide |
| Student in Berlin, budget-focused | TK | Cheaper than AOK Nordost by €6.91/month |
If you are still unsure, use our cost calculator to estimate your total insurance cost over the full degree, or run our insurance finder quiz to get a personalized recommendation in two minutes.
Eligibility: Who Can Join GKV as a Student?
GKV student insurance (Krankenversicherung der Studenten, KVdS) has specific rules. You qualify if:
- You are under 30 years old at the start of the semester. The exact cut-off is the end of the semester in which you turn 30. Narrow exceptions exist for late-start students (late Abitur, illness >3 months, Bundesfreiwilligendienst, care duties).
- You are enrolled in a degree program at a state-recognized German university or technical university. Matriculation in a Bachelor’s, Master’s, State Exam, or Diplom program qualifies.
- You are NOT in a language course or Studienkolleg — these do not qualify for KVdS, and students in them must use private incoming insurance instead.
- You have applied within the enrollment deadline — typically at or shortly after matriculation. The Kasse electronically confirms your insurance status to the university.
For a deeper walkthrough of the application process, see our step-by-step GKV application guide.
Switching Between Kassen: How It Works
You can switch to any other statutory Kasse at any time. The rules are straightforward:
- Bindungsfrist: You must stay with a new Kasse for at least 12 months before switching again.
- Notice period: If you want to leave a Kasse, you give two months’ notice to the end of a month. Example: if you give notice on 15 January, your membership ends on 31 March.
- Zusatzbeitrag increase is a “Sonderkündigungsrecht”: If your Kasse raises its Zusatzbeitrag, you get a special cancellation right — you can leave with one month’s notice regardless of the Bindungsfrist.
- No paperwork loop: To switch, simply sign up at the new Kasse. They handle the cancellation with your old Kasse for you.
TK and BARMER both raised their Zusatzbeiträge for 2026, which means anyone already with them had a window to switch without the 12-month lock. If you are a new member starting in 2026, you still lock in for 12 months from your start date.
GKV vs Private Insurance: Should You Even Use GKV?
If you are under 30 and in a degree program, GKV is almost always the right choice. It covers pre-existing conditions, has predictable costs, accepts everyone without health checks, and is universally accepted for visa applications.
Private incoming insurance is cheaper in absolute terms (around €30-€110/month depending on plan) but is designed for short-stay students or language course students who do not qualify for GKV. For a full breakdown, see GKV vs Private Insurance and Private vs Public Health Insurance for Students.
If you are 30 or older, you are not eligible for KVdS and must use private insurance or voluntary GKV (freiwillige gesetzliche Versicherung) at €240+/month.
FAQ
Are TK and AOK Bayern really the cheapest nationwide GKVs in 2026?
Among the big-name nationwide Kassen, yes. Both charge €141.16/month for students under 23 or with a child, at a Zusatzbeitrag of 2.69%. The absolute cheapest statutory Kasse in 2026 is AOK Rheinland-Pfalz/Saarland at 2.47% (€139.27/month). Smaller regional or company Kassen (BKK-type) can occasionally be even cheaper but usually without English service.
Why is BARMER €5/month more expensive than TK?
BARMER’s Zusatzbeitrag is 3.29% versus TK’s 2.69%. On the €855 calculation base, that is €5.13/month difference. Over a three-year Bachelor’s degree, that adds up to €185. Whether the extras (7Mind app, Teledoktor, online CBT, 100% travel vaccinations) are worth €185 depends on what you actually use.
Is the base premium of €87.38 really the same at every Kasse?
Yes — this is a legally fixed calculation. § 245 SGB V says student KV equals 10.22% of the BAföG-Bedarfssatz (€855), rounded to €87.38. Every statutory Kasse charges this same amount for the base KV premium. They cannot legally discount it.
Why do I pay more nursing care when I turn 23?
The Pflegeversicherung rate for childless insured people aged 23 and older includes a Kinderlosenzuschlag (childlessness surcharge) of 0.6%, raising the rate from 3.6% to 4.2%. On the €855 base, that means your nursing care jumps from €30.78 to €35.91 — a €5.13/month increase. It disappears the day you have a child (birth certificate is sufficient proof).
Can I stay in GKV after age 30?
Normally no — KVdS ends at the end of the semester in which you turn 30. After that, you can either convert to voluntary statutory insurance (freiwillige gesetzliche Versicherung) at €240+/month, or switch to private incoming student insurance if you are still within the 30-month PKV window. Narrow extensions exist for late-start students — check with your Kasse.
What happens if I drop out or transfer universities?
GKV student status requires active enrollment. If you deregister (Exmatrikulation), you have a grace period before your student rate ends — typically to the end of the semester. If you re-enroll at another German university within that time, your KVdS continues seamlessly. If there is a gap, you may need to switch to voluntary statutory or private insurance.
Which GKV do most international students actually pick?
Based on student-insurance platforms that bundle GKV with blocked accounts (Expatrio, Fintiba, Coracle), TK is by far the most common pick for international students because of the English support. AOK is popular among students who have German family already on AOK. BARMER and DAK are minority picks, usually chosen for specific features (mental health for BARMER, alternative medicine for DAK).
Can I compare all four on a single platform?
All four publish their student tariffs on their own websites. For a side-by-side view with current 2026 prices and cross-links to enrollment, see our insurance comparison page or use the GKV guide for a full primer.
Related Articles
- How to Apply for German Public Health Insurance (GKV) as a Student — the enrollment walkthrough
- GKV vs Private Insurance: Which Is Better for Students? — the public-vs-private decision
- Switch from Private to Public Health Insurance in Germany — if you are currently on PKV and want to change
- How German Universities Verify Health Insurance — the electronic Meldeverfahren explained
- Complete Germany Health Insurance Guide — everything for international students
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