Our pan-Canadian research study examined the differential impact of teacher induction and mentorship programs on the early-career teachers' retention. Using the results from a pan-Canadian "Teacher Induction Survey" (N = 1343), we compared ECTs' experiences with induction, mentorship and career development within their first five years. Findings point to a shift in the needs of teachers within the first five years, suggesting that with time career supports and job satisfaction decrease and consideration of leaving the profession increases. Based on convergences and divergences across five years, we offer implications for policy, practice, and research.