The article questions a common approach in migration research: dividing people into predefined groups labeled “migrant” and “non-migrant.” The authors say these labels often come more from government categories than from how people actually experience moving and settling, and that they can miss why mobility matters in everyday life.

To explore whether migration plays a role in upward social mobility into Asian middle classes, the researchers used a mixed-methods design with residents in Hanoi, Karachi, Manila and Mumbai. They gathered survey data (n = 2016) and family history interviews, and they use alternative approaches to measure both spatial movement and stasis—what they call “un-categorising ‘the migrant’.”