Reference Data in Fukushima 11 indicators covering reference data for Fukushima. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 225.07 Degree days 2025 up 56.5% 465th Cooling and heating degree days - Cities and FUAs — Change in cooling 107.22 Degree days 2025 up 313.5% 174th Cooling and heating degree days - Cities and FUAs 2,530 Degree days 2025 up 3.8% 168th Cooling and heating degree days - Cities and FUAs — Change in heating -220.34 Degree days 2025 up 29.3% 497th Precipitation - Cities and FUAs — Extreme precipitation days 17.79 Days per year 2024 down 0.3% 223rd Precipitation - Cities and FUAs — Change in extreme precipitation 2.99 Days per year 2024 down 1.6% 321st Dependency ratio - Cities and FUAs 52.7 Percentage of population aged 15-64 years 2020 up 38.7% 26th Wind threats - Cities and FUAs — Exposure to wind threats 11.39 Percentage of area 2023 down 88.6% 199th Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed 8.6 Percentage of national value 2025 down 55.4% 530th Internet speed - Cities and FUAs — Uploading speed 12.5 Percentage of national value 2025 down 58.7% 431st