Impact of Socioeconomic Status and Demographic Composition on Disaster Mortality: Community-Level Analysis for the 2011 Tohoku Tsunami

44 Pages Posted: 27 Apr 2021 Last revised: 25 Apr 2022

See all articles by Takeshi Miyazaki

Takeshi Miyazaki

Kyushu University, School of Economics

Date Written: April 1, 2022

Abstract

On March 11, 2011, the Tohoku tsunami hit the northeastern region of Japan, causing massive damage to people and property. The tsunami was bigger than any other in Japan’s recorded history, but the damage varied by community. This research aims to address the effects of socioeconomic status and demographic composition on mortality in the 2011 Tohoku tsunami using community-level data. These effects are estimated using regression analysis, taking into account a variety of potential contributing aspects at the community level, including strength of the tsunami, population characteristics, gender, age, education, household composition, evacuation methods, and occupation. It is found that the height of the tsunami and the shares of three-generation households and employees in the manufacturing industry are all positively correlated with tsunami mortality. The impacts of these factors on mortality are particularly large for the older adults.

Keywords: Community; demographic composition; disaster risk reduction; mortality; socioeconomic status; the 2011 Tohoku tsunami

JEL Classification: Q54

Suggested Citation

Miyazaki, Takeshi, Impact of Socioeconomic Status and Demographic Composition on Disaster Mortality: Community-Level Analysis for the 2011 Tohoku Tsunami (April 1, 2022). Available at SSRN: https://ssrn.com/abstract=3737909 or http://dx.doi.org/10.2139/ssrn.3737909

Takeshi Miyazaki (Contact Author)

Kyushu University, School of Economics ( email )

744 Motokoka Nishi-ku
Fukuoka, 8190395
Japan

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