In 2018, the UCL-Lancet Commission on Migration and Health issued a call for better collaboration and synergies between researchers to collect evidence, improve data sources, crystallize understanding of the effects of migration on health, and bring together a range of actors across regions, including those from global health, public health, and humanitarian medicine communities, to articulate evidence-based approaches to inform public discourse and policy. Despite nearly 10% of the WHO European Region being comprised of international migrants, ranging upwards of 50% in some countries, migration and health research initiatives in the region have traditionally been short-term, largely based on a subset of countries, and often lacking diverse methodology.