Japan Data

Japan Suffers Record High ¥2.15 Trillion in Flood Damage in 2019


In 2019, flood damage in Japan totaled ¥2.15 trillion, the highest level since statistics were first kept.

Total flood damage in Japan in 2019 came to a provisional figure of ¥2.15 trillion, according to the Ministry of Land, Infrastructure, Transport, and Tourism. This includes damage from flooding of rivers and other bodies of water, inundations caused by heavy rain overflowing drains and sewers, storm surges, tsunamis, debris flow, and landslides. With the exception of years when Japan was struck by a major tsunami, this is the highest average amount of annual damage since records were first kept in 1961.

By category, ¥1.59 trillion or 74.2% of the total damage was of general assets (including household and daily items), ¥520 billion or 24.4% of public civil engineering infrastructure (such as that related to rivers and roads), and ¥30.4 billion or 1.4% of public facilities (including railways and water facilities).

Typhoon Hagibis, which struck in mid-October, caused ¥1.86 trillion of damage. This is the highest on record for a single event, exceeding the ¥1.22 trillion in flood damage caused by torrential rains in July 2018. Typhoon Hagibis resulted in record rainfall in a wide-ranging area, breaking 142 levees nationwide. The extensive damage from the disaster resulted in 87 dead or missing and damage to over 80,000 buildings.

Flood Damage in 2019 (Provisional Figure)

Damage to buildings Damaged area(ha)
Total destruction/swept away 3,376 Residential land/other 21,937
Partial destruction 17,792 Farmland 58,763
Floor inundated 27,509    
Under-floor inundation 50,229
Total 98,906 Total 80,700

Created by Nippon.com based on data from the Ministry of Land, Infrastructure, Transport, and Tourism.

The prefectures that suffered the greatest flood damage in 2019 were Fukushima (¥671.5 billion), Tochigi (¥254.6 billion), and Miyagi (¥251.2 billion). Each of those figures represent the highest amount on record for the given prefecture.

Five Prefectures Suffering Most Flood Damage in 2019 (¥ billion)

1 Fukushima 671.5
2 Tochigi 254.6
3 Miyagi 251.2
4 Nagano 213.5
5 Saitama 120.2

Created by Nippon.com based on data from the Ministry of Land, Infrastructure, Transport, and Tourism.

(Translated from Japanese. Banner photo: Hokuriku Shinkansen Line trains at Nagano Station inundated from flooding of the Chikuma River caused by Typhoon Hagibis. Photo taken on October 13, 2019. © Jiji.)

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