CSS in canton Geneva: twelve years of premiums
In canton Geneva, the lowest CSS premium went from CHF 425.60 a month in 2015 to CHF 609.30 in 2026 — a rise of +43.2 %. The table below places it next to the canton's cheapest insurer, year by year.
| Year | This insurer | The cheapest | Gap |
|---|---|---|---|
| 2015 | CHF 425.60 | CHF 357.90 | CHF 67.70 |
| 2016 | CHF 455.70 | CHF 398.40 | CHF 57.30 |
| 2017 | CHF 479.70 | CHF 413.50 | CHF 66.20 |
| 2018 | CHF 493.00 | CHF 443.20 | CHF 49.80 |
| 2019 | CHF 525.80 | CHF 461.50 | CHF 64.30 |
| 2020 | CHF 529.20 | CHF 471.40 | CHF 57.80 |
| 2021 | CHF 526.70 | CHF 471.40 | CHF 55.30 |
| 2022 | CHF 521.60 | CHF 471.40 | CHF 50.20 |
| 2023 | CHF 541.80 | CHF 489.60 | CHF 52.20 |
| 2024 | CHF 575.90 | CHF 544.80 | CHF 31.10 |
| 2025 | CHF 616.60 | CHF 584.40 | CHF 32.20 |
| 2026 | CHF 609.30 | CHF 604.30 | CHF 5.00 |
Faster or slower than the rest?
CSS rose +43.2 % over the period, against +68.9 % 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: +7.1 % 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.
CSS, canton by canton
Other insurers
Source: Federal Office of Public Health (FOPH), premium files from 2015 to today.