Mixed Migration Review 2025
Migration in the context of geopolitical turmoil
Grounded in the experiences of refugees and migrants, the Mixed Migration Centre provides high-quality data, research and analysis to improve mixed migration policies and strengthen protection and assistance for people on the move
150,000
Surveys with refugees and migrants since 2014
950+
Publications on Mixed Migration
31
Countries of data collection in 2025
150+
Enumerators interviewing migrants & refugees around the world
4Mi Migration Data is our global primary data collection system which captures first-hand accounts from migrants and refugees on the move. Data is collected through surveys along major mixed migration routes and is made publicly accessible through the 4Mi Data Explorer. The 4Mi Data Explorer is updated quarterly with thousands of new interviews. With nearly 100,000 interviews to date, it provides direct insights into mixed migration journeys worldwide.

4Mi Data Explorer
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