Big Data Analysis Do you go out and go out? Decrease sharply in central Tokyo March 30 21:12

How did the crowds in Tokyo change over the weekend, when calls for self-restraint of unnecessary and urgent outings were called for? As a result of NHK's analysis and estimation based on the big data of the location information of mobile phones, it was found that the number of people decreased sharply mainly in the city center, with some wards decreasing by up to 40%.

NHK estimates the number of people in Tokyo during the day from 9 am to 7 pm on the 28th and 29th, based on the big data of the location information of the mobile phone. Compared to the same time zone.

Analyzing each 100-meter square block and displaying it on a map, it was found that there was a decrease over a wide area, mainly at the central railway terminal stations such as Tokyo Station, Shinjuku Station, and Shibuya Station.

Comparing the estimates of the rate at which people declined by ward,
ほ か In Chiyoda Ward, it decreased by 40%,
2828% in Shibuya Ward,
▽ 21% in Chuo Ward,
2020% in Shinjuku ward,
▽ 17% in Taito ward,
▽ 16% in Minato Ward,
▽ It was 12% in Toshima Ward.

On the other hand, in areas with many residential areas such as Setagaya, there were many areas where the number of people increased.

According to the data analysis, many people stayed at home or other places due to the call of Tokyo and stayed away from home, so the number of people who usually go to the city center where people gather is decreasing.

When you visualize it on a map ...

Estimated data on the increase and decrease of people in Tokyo are visualized on a map.
▽ The area shown in orange is the area where people increased,
▽ The area shown in blue is the area where the number of people has decreased.

Along the Yamanote Line tracks, the blue area is conspicuously spread mainly at railway terminal stations such as Tokyo Station, Shibuya Station, and Shinjuku Station where people are concentrated.

Near Tokyo Station and Ginza

How people have decreased in key locations.

Near Tokyo Station and Ginza, where tourists and shoppers are usually busy. Pedestrian paradise was canceled this weekend on Ginza's Chuo-dori. The blue area is widespread.

The analysis estimates that in Chiyoda-ku, where Tokyo Station is located, there was a 40% reduction in the number of people compared to the previous week, and in Chuo-ku, where Ginza is located, a 21% reduction.

Around Shibuya Station and Shinjuku Station

It is around Shibuya Station and Shinjuku Station.

Many facilities such as department stores and movie theaters closed temporarily this weekend.

The number of people was estimated to decrease by 28% in Shibuya Ward and 20% in Shinjuku Ward.

Expert "Some effects on requests for self-restraint"

Regarding the results of this analysis, Associate Professor Naoya Sekiya of the University of Tokyo, specializing in social psychology, stated, From a prevention standpoint, it can be said that the request to refrain from going out had a certain effect. "

Then, "While going out on Saturdays and Sundays, there is no point in walking around on weekdays. It is necessary to firmly understand that the purpose of self-restraint is not to" walk out on Saturdays and Sundays "but to" avoid contact with people. " There is. "

In addition, after requesting self-restraint to go out, there was a movement to stock up on food etc., "If a situation where people flood the store in preparation for self-restraint, it will be overturned. It is misunderstood that stores etc. will be closed. It is important that when the government calls for self-restraint, it is important to fully explain the "social situation" such as that supermarkets and convenience stores can operate normally. "