Summary: In recent years, we have been experiencing numerous migration crises, which bring about health, economic, environmental, and social consequences for host countries, particularly in the context of infection transmission and control of infectious diseases, including vaccine-preventable diseases. Although vaccinations are widely regarded as one of the most effective and cost-efficient public health interventions, we continue to observe global disparities in the burden of vaccine-preventable diseases between migrants or refugees and the host populations. Because of that, lifelong universal access to vaccinations is recommended for ALL – regardless of the migratory status of the individual. The general objective of the AcToVax4NAM project is the improvement of vaccination literacy and access and thereby vaccination uptake for Newly Arrived Migrants (NAMs). The project targets vaccine-preventable diseases that are part of the National Immunization Plans and adopts a life course approach. COVID-19 vaccinations are included in all project activities to promote equal access to vaccinations for NAMs. As part of the project, effective vaccination flow charts have been developed for each consortium country (i.e., Poland, Greece, Cyprus, Malta, Italy, Spain, Germany, and Romania), tailored to the national context—from identifying barriers to proposing solutions. Each flow chart considers five main steps: (1) entitlement, (2) reachability, (3) adherence, (4) achievement, and (5) evaluation. The project is focused on raising awareness of the systemic barriers to vaccine access faced by migrants and refugees in countries. It aims to advocate for and implement strategies that will boost vaccination rates among this vulnerable population.