Reference Data in Bologna 34 indicators covering reference data for Bologna. IndicatorLatest Year10-yr change Rank Cooling and heating degree days by NUTS 2 regions - annual data 4.09 % change on previous year 2025 down 77.2% 1056th Cooling and heating degree days - Cities and FUAs — Cooling degree 319.26 Degree days 2025 down 23.1% 377th Cooling and heating degree days - Cities and FUAs — Change in cooling 14.5 Degree days 2025 down 86.9% 392nd Cooling and heating degree days - Cities and FUAs 1,234 Degree days 2025 down 12.6% 805th Cooling and heating degree days - Cities and FUAs — Change in heating -382.02 Degree days 2025 down 87.1% 767th Cooling and heating degree days - Cities and FUAs — Change in heating -50.61 % change on previous year 2025 down 187.9% 774th Cooling and heating degree days - Cities and FUAs, annual growth rate -9.43 % change on previous year 2025 down 138.6% 740th Cooling and heating degree days - Cities and FUAs — Change in cooling -86.81 % change on previous year 2025 down 144.0% 441st Cooling and heating degree days - Cities and FUAs — Cooling degree -23.01 % change on previous year 2025 down 119.7% 411th Cooling and heating degree days by NUTS 2 regions - monthly data -13.95 % change on previous year 2025 down 6,841.4% 1626th Precipitation - Cities and FUAs — Change in extreme precipitation 6.88 Days per year 2024 up 293.1% 99th Precipitation - Cities and FUAs — Extreme precipitation days 13.88 Days per year 2024 up 58.6% 335th Cooling and heating degree days by NUTS 2 regions - annual data 1,845 Number 2025 down 9.4% 1438th Cooling and heating degree days by NUTS 2 regions - monthly data 352.83 Number 2025 down 7.8% 1199th Dependency ratio - Cities and FUAs 37.9 Percentage of population aged 15-64 years 2024 down 9.8% 231st Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Deaths (total) by NUTS 3 region 11,758 Number 2024 up 5.9% 366th Internet speed - Cities and FUAs — Downloading speed 51.3 Percentage of national value 2025 down 60.1% 13th Internet speed - Cities and FUAs — Uploading speed 54.6 Percentage of national value 2025 down 75.3% 52nd Deaths by week, sex and NUTS 3 region 243 Number 2026 down 21.9% 266th Deaths by week and NUTS 3 region 243 Number 2026 down 21.9% 266th Deaths by week, sex, 5-year age group and NUTS 3 region 243 Number 2026 down 21.9% 263rd Road accidents by NUTS 3 region 3,900 Number 2024 up 0.3% 172nd Area by NUTS 3 region 3,703 Square kilometre 2026 unchanged 1020th National road freight transport by region of unloading (NUTS 3) and 26,132 Thousand tonnes 2025 up 50.6% 109th National road freight transport by region of loading (NUTS 3) and 24,597 Thousand tonnes 2025 up 51.9% 132nd Police-recorded offences by NUTS 3 region 6 Number 2023 up 20.0% 432nd Nights spent at tourist accommodation establishments by NUTS 3 region 7.19 million Number 2025 up 253.2% 344th Deaths by age group, sex and NUTS 3 region 11,758 Number 2024 up 5.9% 364th Guest nights spent at short-stay accommodation offered via 2.24 million Number 2025 up 123.4% 113th Nights spent at tourist accommodation establishments by NUTS 3 region 7.19 million Number 2025 up 253.2% 100th Area by NUTS 3 region 3,703 Square kilometre 2015 up 0.0% 822nd Establishments, bedrooms and bed-places in tourist accommodation by 1,278 Number 2011 up 41.2% 212th