Origin-destination (OD) data used in the study of interurban population mobility.

The study titled "<strong>Geographical index of interurban mobility network: The sailboat-shaped spatial structure</strong> <strong>in China</strong>" obtained population travel heat data by Tencent including 321 cities in China from January 1, 2018, to December 31, 2018. This is a type of origin-destination (OD) data. Each piece of data included the departure ("from"), the destination ("to"), and travel heat ("heat"). Taking the annual average of the interurban travel heat as the interurban mobility in 2018, 19,608 OD flows were collected.