Population of Chiba,where is known to be hotspot, decreased by 5514 in 2012. In Ibaraki, it is 2575.
From the statistics of those local governments, the decrease of population was accelerated since 2011.
Comparison of monthly decrease
<Chiba>
(2010.12 : -1203 → 2011.12 : -2969) ・・・↓ 246%
2011.1 : -1438 → 2012.1 : -2566 ・・・↓ 178%
2011.2 : -1778 → 2012.2 : -2948 ・・・↓ 165%
<Kashiwa Chiba>
(2010.12 : +152 → 2011.12 : -279)
2011.1 : +78 → 2012.1 : -236
2011.2 : +163 → 2012.2 : -245
<Ibaraki>
(2010.12 : -762 → 2011.12 : -1109) ・・・↓ 145%
2011.1 : -773 → 2012.1 : -1376 ・・・↓ 178%
2011.2 : -843 → 2012.2 : -1199 ・・・↓ 142%
Those local governments haven’t explained if it is because of the moving or death.
Iori Mochizuki