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The FUMI Survey documentation describes a mixed-methods research project focusing on migration aspirations among young adults (18–39) in Serekunda (The Gambia), Tema (Ghana), and São Vicente (Cape Verde). The report details the design of a respondent-centred survey instrument, the three-step random sampling process used to reach 1,000 individuals per city, and the rigorous quality assurance measures implemented, including audio recordings and back-checks. It further explains the data cleaning workflows, the application of household and individual weights to correct for sampling biases, and the creation of a Composite Wealth Index using polychoric principal component analysis of assets and socio-economic indicators. The document also identifies specific coding errors that led to data gaps in variables related to passports, visas, and household contributions.

The document details the qualitative data collection for the MIGNEX project (2018–2023), which involved 104 focus group discussions, 516 key informant interviews, and extensive field observations and photography across 10 countries. It outlines the research ethics, the impact of the Covid-19 pandemic on fieldwork, the process of creating an anonymized open data set for focus group transcripts, and the use of NVivo for coding and analysis. The text reflects on the co-production of knowledge, the role of local research assistants, and the challenges of maintaining transparency and equity in large-scale international collaborative research.