[Data analysis] Halloween Call for self-restraint Shibuya The number of people on the day was 18:31 on November 2nd.
How was the number of people in Shibuya, Tokyo, who were called to refrain from visiting on the day of Halloween last weekend?
As a result of estimation and analysis by NHK based on big data of mobile phones, it was found that the number of people at night decreased by 40% compared to last year.
Unusual call to refrain from visiting
Around Shibuya station, a lot of people gathered during Halloween for the past few years and troubles have occurred, and Shibuya Ward called for "Please refrain from coming to Shibuya to avoid denseness" last year. We took measures such as not installing temporary toilets and spaces for changing clothes.
Shibuya's number of people decreased by 40% compared to last year
NHK analyzed the number of people around Shibuya Station on the 31st of last month on Halloween day, using data collected by NTT DoCoMo in a privacy-protected form based on information on mobile phone base stations.
As a result of analysis from 6:00 pm to midnight the next day, it was found that it decreased by 40% compared to last year's Halloween day.
Even the average on Saturday in October is only about 2% higher.
Also, compared to the average number of people on Halloween this year and the average of Saturday in October before that, the increase was only about 2%.
On the other hand, when compared by time zone, it seems that the number of people does not decrease so much toward midnight on Halloween day, and the number of people increased by about 10% at 10 pm and 11 pm compared to usual Saturday. It was.
If you show it on a map of people in various parts of Tokyo ...
Furthermore, the average of the day of Halloween and the Saturday of October before that will be compared throughout Tokyo, analyzed for each section of 500 meters, and displayed on the map.
When the number of people increased is shown in red and the place where it decreased is shown in blue, red is conspicuous along the JR Yamanote Line, especially near downtown areas such as Shinjuku, Roppongi, and Shimbashi, and the number of people tends to increase. It was seen.
Shibuya Ward "Many people cooperate and avoid denseness in the future"
Regarding the decrease in the number of people in Shibuya compared to last year, Junya Ohara, chief of the Shibuya Ward Safety Measures Division, said, "I realized that the number of people has decreased without flooding the roadway like last year. I think it's because many people cooperated with us by publicizing the self-restraint of going out from an early stage without such a big trouble. "
On top of that, he says, "While maintaining the bustle of the city, we will continue to make efforts to avoid crowding during the time when people gather, such as New Year's Eve and New Year's Eve."