14.6% general rate + 4.35% supplementary rate · Employer and employee each pay half of the contribution.
IKK BB is a Guild fund (IKK) based in Potsdam. At 4.35%, its supplementary rate is 0.98 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 07/01/2025 by +1.25 percentage points to 4.35%.
| Valid from | Supplementary rate | Change |
|---|---|---|
| 07/01/2025 | 4.35 % | ▲ +1.25 % |
| 01/01/2025 | 3.1 % | ▲ +1.11 % |
| 01/01/2024 | 1.99 % | ▲ +0.22 % |
| 01/01/2023 | 1.77 % | ▲ +0.28 % |
| 01/01/2022 | 1.49 % | – |
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% – 2.55 percentage points less than IKK BB. The examples show the savings when switching:
| Gross salary / month | Savings / month | Savings / year |
|---|---|---|
| €2,500.00 | €31.88 | €382.56 |
| €3,500.00 | €44.63 | €535.56 |
| €4,500.00 | €57.38 | €688.56 |
| €6,000.00 | €74.11 | €889.32 |
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) | 2.93 % | 70 % |
| U1 (sick pay) | 2.19 % | 50 % |
| U2 (maternity) | 0.46 % | 100 % |
| Valid from | U1 rates | U2 |
|---|---|---|
| 01/01/2026 | 2.93 · 2.19 % | 0.46 % |
| 01/01/2025 | 2.45 · 1.49 · 2 % | 0.23 % |
| 01/01/2024 | 2.45 · 1.49 · 2 % | 0.41 % |
| 10/01/2022 | 4.65 · 3.57 · 4.46 % | 0.59 % |
| 01/01/2022 | 2.95 · 1.77 · 2.45 % | 0.59 % |
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 IKK BB.
The supplementary rate of IKK BB is currently 4.35% (valid since 07/01/2025). Together with the general contribution rate of 14.6%, the total contribution is 18.95%.