NHK used data collected by NTT DoCoMo in a privacy-protected manner from mobile phone base stations. Number of people who traveled across prefectures for nine days from the 29th of last month, when the long holiday period began.

Largest number was Tokyo at 2019%, which was higher than in 101 before the spread of infection. It is possible that people's travel patterns have changed due to the continued self-restraint caused by the corona disaster. While tourism demand in metropolitan areas has recovered, the return of people to rural areas is thought to be slowing.