As of September 2025, the number of landslide disasters caused by heavy rain in Japan amounted to around ***. Figures peaked in the previous year, reaching approximately landslides due to heavy rain. Floods and landslides can be caused by heavy rains, which often occur during the Japanese rainy season from June to mid-July and the typhoon season between July and October.
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MLIT (Japan). (September 10, 2025). Number of sediment-related disasters due to heavy rain in Japan from 2020 to 2025 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 22, 2026, from /statistics/1189372/japan-number-landslide-disaster/
MLIT (Japan). "Number of sediment-related disasters due to heavy rain in Japan from 2020 to 2025." Chart. September 10, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 22, 2026. /statistics/1189372/japan-number-landslide-disaster/
MLIT (Japan). (2025). Number of sediment-related disasters due to heavy rain in Japan from 2020 to 2025. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 22, 2026. /statistics/1189372/japan-number-landslide-disaster/
MLIT (Japan). "Number of Sediment-related Disasters Due to Heavy Rain in Japan from 2020 to 2025." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 10 Sep 2025, /statistics/1189372/japan-number-landslide-disaster/
MLIT (Japan), Number of sediment-related disasters due to heavy rain in Japan from 2020 to 2025 ÌÇÐÄÆÆ½â°æ, /statistics/1189372/japan-number-landslide-disaster/ (last visited July 22, 2026)
Number of sediment-related disasters due to heavy rain in Japan from 2020 to 2025 [Graph], MLIT (Japan), September 10, 2025. [Online]. Available: /statistics/1189372/japan-number-landslide-disaster/