In 2021, 16.3% of millennials aged 25-39 lived with their parents, double the rate of baby boomers at the same age. This trend was stronger in costly cities like Toronto and Vancouver. Millennial homeownership was lower (49.9%) compared to previous generations, with fewer living in detached homes. Factors include delayed marriage, parenthood, longer education, and increased racial diversity. Homeownership remained stable among married or common-law millennials.