1. The movement of people into a country, region, or area to settle permanently or temporarily
The city experienced significant in-migrations during the industrial boom of the 1990s.
A cidade experimentou imigrações significativas durante o boom industrial dos anos 1990.
2. In demographic and statistical contexts, the influx of migrants into a specific geographic area
Government reports tracked in-migrations from rural to urban areas.
Os relatórios governamentais rastrearam as imigrações de áreas rurais para urbanas.