Reference Data in Solothurn 17 indicators covering reference data for Solothurn. IndicatorLatest Year10-yr change Rank Assumptions for probability of dying by age, sex, type of projection a 0.0002 Number 2100 down 30.3% 421st Cooling and heating degree days by NUTS 2 regions - monthly data 469.03 Number 2025 up 11.5% 475th Cooling and heating degree days by NUTS 2 regions - annual data 2,740 Number 2025 down 5.6% 677th Deaths (total) by NUTS 3 region 2,629 Number 2024 up 12.7% 1273rd Deaths by week, sex and NUTS 3 region 45 Number 2026 down 27.4% 999th Deaths by week and NUTS 3 region 45 Number 2026 down 27.4% 999th Deaths by week, sex, 5-year age group and NUTS 3 region 45 Number 2026 down 27.4% 993rd Road accidents by NUTS 3 region 642 Number 2024 up 9.6% 803rd Area by NUTS 3 region 789 Square kilometre 2026 unchanged 1689th National road freight transport by region of unloading (NUTS 3) and ty 10,917 Thousand tonnes 2025 down 1.6% 540th National road freight transport by region of loading (NUTS 3) and type 10,615 Thousand tonnes 2025 up 3.0% 555th Police-recorded offences by NUTS 3 region 0 Number 2024 down 100.0% 1239th Nights spent at tourist accommodation establishments by NUTS 3 region 546,585 Number 2025 — 1173rd Deaths by age group, sex and NUTS 3 region 2,629 Number 2024 up 12.7% 1271st Guest nights spent at short-stay accommodation offered via collaborati 68,401 Number 2025 up 175.0% 899th Nights spent at tourist accommodation establishments by NUTS 3 region 546,585 Number 2025 — 759th Area by NUTS 3 region 790 Square kilometre 2015 down 0.1% 1431st