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Baidu Heatmap

This Baidu heatmap shows massive scale of human movement over Chinese New Year

Baidu has launched a heat map of where Chinese travelers are heading to, coming from, and which routes are most popular during Chinese New Year, the country’s largest national holiday.

Tech In Asia
Tech in Asia is an online technology news startup based in Asia, with team members all across the region. As a crew of journalists and bloggers with... More

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It’s a time when most Chinese either return home to their families or go on vacation, and it’s the largest annual mammalian migration on Earth. During the 40-day holiday period – which is called Spring Festival in Chinese — 3.6-billion passenger trips will be made across all modes of transportation (Note: most people only get eight days off).

Baidu gathers data from smartphones with Baidu Maps and other apps using its location-based platform to create the heat map. Baidu Maps alone has more than 200-million registered users and receives 3.5-million position requests every day.

The heat map updates every four to eight hours, showing the most popular destinations, points of origin, and travel routes. It includes a search function so you can see stats from specific cities and time frames. Here’s a few stats as of press time:

  • The most popular destination is Beijing, followed by Chongqing. The hub cities in Hunan and Guangxi provinces tie for third.
  • Beijing is also the most popular city to leave, followed by Shanghai and Guangzhou.
  • The trip both to and from Chengdu and Beijing take up the top two most popular routes.

This article by Paul Bischoff originally appeared on Tech in Asia, a Burn Media publishing partner.