Reference Data in Kitakyushu 11 indicators covering reference data for Kitakyushu. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 513.29 Degree days 2025 up 81.9% 203rd Cooling and heating degree days - Cities and FUAs — Change in cooling 143.89 Degree days 2025 up 265.0% 117th Cooling and heating degree days - Cities and FUAs 1,013 Degree days 2025 down 3.8% 883rd Cooling and heating degree days - Cities and FUAs — Change in heating -183.82 Degree days 2025 down 27.8% 434th Precipitation - Cities and FUAs — Extreme precipitation days 29.16 Days per year 2024 up 22.8% 75th Precipitation - Cities and FUAs — Change in extreme precipitation 6.86 Days per year 2024 up 374.4% 101st Dependency ratio - Cities and FUAs 56.3 Percentage of population aged 15-64 years 2020 up 39.4% 19th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 3.84 Percentage of built-up area 2022 up 10.0% 81st Internet speed - Cities and FUAs — Downloading speed -4.7 Percentage of national value 2025 up 81.6% 1032nd Internet speed - Cities and FUAs — Uploading speed -19 Percentage of national value 2025 down 69.6% 1040th