CSS — Region 1, Zurich: twelve years of premiums
Region 1, Zurich: the lowest CSS premium went from CHF 381.00 a month in 2015 to CHF 530.60 in 2026 — a rise of +39.3 %. The table below places it next to this region's cheapest insurer, year by year.
| Year | This insurer | The cheapest | Gap |
|---|---|---|---|
| 2015 | CHF 381.00 | CHF 307.80 | CHF 73.20 |
| 2016 | CHF 423.20 | CHF 360.40 | CHF 62.80 |
| 2017 | CHF 446.10 | CHF 380.40 | CHF 65.70 |
| 2018 | CHF 457.30 | CHF 392.10 | CHF 65.20 |
| 2019 | CHF 478.80 | CHF 413.20 | CHF 65.60 |
| 2020 | CHF 485.50 | CHF 413.10 | CHF 72.40 |
| 2021 | CHF 482.20 | CHF 423.80 | CHF 58.40 |
| 2022 | CHF 479.60 | CHF 416.90 | CHF 62.70 |
| 2023 | CHF 467.90 | CHF 437.00 | CHF 30.90 |
| 2024 | CHF 498.00 | CHF 470.20 | CHF 27.80 |
| 2025 | CHF 528.40 | CHF 496.20 | CHF 32.20 |
| 2026 | CHF 530.60 | CHF 517.70 | CHF 12.90 |
Faster or slower than the rest?
CSS rose +39.3 % over the period, against +68.2 % 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: +11.1 % 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.