CSS in canton Basel-Landschaft: twelve years of premiums
In canton Basel-Landschaft, the lowest CSS premium went from CHF 343.20 a month in 2015 to CHF 522.90 in 2026 — a rise of +52.4 %. The table below places it next to the canton's cheapest insurer, year by year.
| Year | This insurer | The cheapest | Gap |
|---|---|---|---|
| 2015 | CHF 343.20 | CHF 302.80 | CHF 40.40 |
| 2016 | CHF 373.10 | CHF 314.20 | CHF 58.90 |
| 2017 | CHF 397.70 | CHF 361.50 | CHF 36.20 |
| 2018 | CHF 412.50 | CHF 375.30 | CHF 37.20 |
| 2019 | CHF 417.50 | CHF 394.60 | CHF 22.90 |
| 2020 | CHF 430.10 | CHF 399.20 | CHF 30.90 |
| 2021 | CHF 426.70 | CHF 401.20 | CHF 25.50 |
| 2022 | CHF 417.40 | CHF 402.70 | CHF 14.70 |
| 2023 | CHF 439.30 | CHF 424.35 | CHF 14.95 |
| 2024 | CHF 471.20 | CHF 456.80 | CHF 14.40 |
| 2025 | CHF 508.20 | CHF 484.20 | CHF 24.00 |
| 2026 | CHF 522.90 | CHF 494.80 | CHF 28.10 |
Faster or slower than the rest?
CSS rose +52.4 % over the period, against +63.4 % for the cheapest insurer in the same place. The gap narrowed — which does not mean this insurer is the cheapest today, only that it climbed more slowly.
The year that hurt — The steepest year-on-year jump was 2016: +8.7 % in one go.
Figures for an adult, CHF 300 deductible, accident cover included — the only profile defined identically across all twelve years. Each year this is the lowest premium the insurer offered, all models combined.
Basel-Landschaft, canton by canton
CSS, canton by canton
Other insurers
Source: Federal Office of Public Health (FOPH), premium files from 2015 to today.