nonresident population; daytime population; visitor population
Used in urban planning, tourism, and disaster management to refer to people who are present in an area but do not live there, such as commuters, shoppers, and tourists. Contrasts with 定住人口 (resident population).
In tourist areas, the nonresident population supports the economy.
During disasters, it is important to grasp the number of nonresident people present.
Refers to the resident population who live in an area, as opposed to 交流人口 which includes temporary visitors.
Daytime population, often overlapping with 交流人口 but specifically focused on people present during the day, including commuters.
Compound of 交流 (exchange, interaction) and 人口 (population). The term emerged in Japanese urban planning to describe people who interact with an area without residing there.