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Urban segregation poses significant implications, one of which may be limited exposure between population groups, potentially amplifying disparities among urban populations. Traditionally, segregation has been studied mainly through a residential lens or in places like work or education. Including all environments where individuals spend their time during daily activities helps to paint a more realistic picture of the urban experience. This study analyzes disparities between the proportion of foreign-born residents that people experience in their residential areas versus the locations they visit locations in New Zealand. It uses a large mobile app dataset to operationalize activity spaces for approximately 620,000 people. The findings reveal that during daily mobility, intergroup exposure increases, which may play a mitigating role in potential segregation. We also find that residents in areas with many foreign-born residents tend to visit areas with fewer foreign-born residents, while the opposite holds for those in areas with few foreign-born residents. This study delves into the nuances of this correlation, demonstrating, for example, that the relationship between the ratio of foreign-born residents and the contrast experienced between residential and activity spaces is stronger in larger cities, suggesting that mobility may exert the most significant impact on mitigating segregation in such settings.
Hołubowska et al. (Fri,) studied this question.