The European Foundation for the Improvement of Living and Working Conditions (Eurofound) is a tripartite European Union Agency, whose role is to provide knowledge to assist in the development of better social, employment and work-related policies. Working with the Sociological Research Centre on Everyday Life and Work - QUIT at the Universitat Autònoma de Barcelona - UAB and with leadership from Oscar Molina, the PIL team including Elma Paulauskaitė, Andrius Tursa, Lara Bezzina, Ieva Giedraitytė and Sabrina Persiano, with collaboration from experts in selected EU Member States, conduted a study on labour market segmentation. The study approach adopted a longitudinal, or dynamic perspective to understand of diverging labour market outcomes for different groups of individuals. As part of the study, researchers developed a comprehensive analytical framework for the analysis of labour market segmentation – a phenomenon lacking a unified definition and approaches to its measurement – and developed a unique methodology for studying segmentation in specific countries through the use of survey and administrative data. The methodology included a mix of sequence analysis, optimal matching, building synthetic career indicators and applying multinomial logistic regression to identify drivers of LMS. With support from Aistė Dargužaitė, the team developed infographics summarizing findings in the four countries studied and comparatively.