CSS in canton Nidwalden: twelve years of premiums
In canton Nidwalden, the lowest CSS premium went from CHF 260.50 a month in 2015 to CHF 443.60 in 2026 — a rise of +70.3 %. The table below places it next to the canton's cheapest insurer, year by year.
| Year | This insurer | The cheapest | Gap |
|---|---|---|---|
| 2015 | CHF 260.50 | CHF 233.00 | CHF 27.50 |
| 2016 | CHF 295.20 | CHF 245.60 | CHF 49.60 |
| 2017 | CHF 304.20 | CHF 273.10 | CHF 31.10 |
| 2018 | CHF 316.20 | CHF 287.20 | CHF 29.00 |
| 2019 | CHF 330.10 | CHF 298.50 | CHF 31.60 |
| 2020 | CHF 341.70 | CHF 301.20 | CHF 40.50 |
| 2021 | CHF 338.30 | CHF 310.80 | CHF 27.50 |
| 2022 | CHF 334.10 | CHF 319.30 | CHF 14.80 |
| 2023 | CHF 352.80 | CHF 336.20 | CHF 16.60 |
| 2024 | CHF 389.20 | CHF 357.10 | CHF 32.10 |
| 2025 | CHF 411.60 | CHF 368.00 | CHF 43.60 |
| 2026 | CHF 443.60 | CHF 385.40 | CHF 58.20 |
Faster or slower than the rest?
CSS rose +70.3 % over the period, against +65.4 % for the cheapest insurer in the same place. The gap widened: staying put cost a little more every year.
The year that hurt — The steepest year-on-year jump was 2016: +13.3 % 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.