14.6% general rate + 3.65% supplementary rate · Employer and employee each pay half of the contribution.
BAHN-BKK is a Company fund (BKK) based in Frankfurt/Main. At 3.65%, its supplementary rate is 0.28 percentage points above the average of all statutory funds (3.37%). Since the beginning of 2022 the fund has adjusted its supplementary rate 4 times, most recently on 01/01/2026 by +0.25 percentage points to 3.65%.
| Valid from | Supplementary rate | Change |
|---|---|---|
| 01/01/2026 | 3.65 % | ▲ +0.25 % |
| 11/01/2024 | 3.4 % | ▲ +1.2 % |
| 01/01/2024 | 2.2 % | ▲ +0.5 % |
| 01/01/2023 | 1.7 % | ▲ +0.5 % |
| 01/01/2022 | 1.2 % | – |
Data starts in January 2022 – the oldest rate may have applied earlier.
The cheapest statutory health insurance fund is currently BKK BPW Wiehl with a supplementary rate of 1.8% – 1.85 percentage points less than BAHN-BKK. The examples show the savings when switching:
| Gross salary / month | Savings / month | Savings / year |
|---|---|---|
| €2,500.00 | €23.13 | €277.56 |
| €3,500.00 | €32.38 | €388.56 |
| €4,500.00 | €41.63 | €499.56 |
| €6,000.00 | €53.77 | €645.24 |
Employee share – the employer saves the same amount on top. Above the contribution assessment ceiling (5,812.5 € gross/month) the savings do not grow any further; tax effects are not taken into account. Not every fund is open to every employee or in every federal state.
Relevant for employers: the levies for continued pay during sickness (U1, selectable reimbursement rates) and maternity (U2).
| Levy rate | Reimbursement | |
|---|---|---|
| U1 (sick pay) | 3.2 % | 70 % |
| U1 (sick pay) | 2.1 % | 50 % |
| U2 (maternity) | 0.42 % | 100 % |
| Valid from | U1 rates | U2 |
|---|---|---|
| 01/01/2026 | 3.2 · 2.1 % | 0.42 % |
| 01/01/2024 | 3.2 · 2.1 % | 0.32 % |
| 08/01/2023 | 3.5 · 2.3 % | 0.45 % |
| 01/01/2023 | 3.5 · 2.3 % | 0.67 % |
| 06/01/2022 | 3 · 2.1 % | 0.9 % |
| 01/01/2022 | 2.7 · 1.7 % | 0.8 % |
Data starts in January 2022 – the oldest rate may have applied earlier.
Supplementary rates of all funds, updated daily and with history – as a REST API for your application.
The calculator runs on the real Lohnica API – with the daily-updated supplementary rate of BAHN-BKK.
The supplementary rate of BAHN-BKK is currently 3.65% (valid since 01/01/2026). Together with the general contribution rate of 14.6%, the total contribution is 18.25%.