Important caveat with that data: It’s showing the proportion of houses that are owner-occupied, not the proportion of people that actually own their homes
So if I’m a young adult renting, then I hit hard economic times and move back in with my parents, I have now increased the homeownership rate because I would then be moving from a renter-occupied home to an owner-occupied home
There is no legend for the graph with colors.
https://www.census.gov/housing/hvs/data/charts/fig07.pdf

Important caveat with that data: It’s showing the proportion of houses that are owner-occupied, not the proportion of people that actually own their homes
So if I’m a young adult renting, then I hit hard economic times and move back in with my parents, I have now increased the homeownership rate because I would then be moving from a renter-occupied home to an owner-occupied home