Basic Survey: Results

Out of a total of 554,929 people for whom external effective doses have been estimated by March 31, 2022, a total of 476,189 people submitted records of their behavior for the entirety of the four-month period for estimation. The figure above shows the estimation results of 466,972 people, excluding those who had engaged in radiation work, by district. As shown in the figure, people for whom estimated external effective doses were lower than 1 mSv accounted for 88.2% in the southern district, 99.3% in the Aizu and Minamiaizu districts, 77.3% in the Soso district, and 99.1% in the Iwaki district. The maximum value was 25 mSv estimated for a person residing in the Soso district.

• Included in this reference material on March 31, 2013
• Updated on March 31, 2023