Title: The role of migration in the formation of planetary systems Abstract: Observations of exoplanets have unveiled a broad diversity of planetary system architectures, ranging from planets orbiting extremely close to their host stars with periods of less than one day, to systems of planets orbiting at great distances from their stellar hosts. One element of the theoretical work that is being undertaken to understand the origin of planetary systems, and the observed architectural diversity, is the study of disc-planet interactions and disc-induced planetary migration. During this talk I will discuss our current understanding of planetary migration within the context of planetary formation theories and the observational data.