The only numbers I could find about this disagree with you:
> Just 47.9% of U.S. millennials owned homes in 2020, according to Apartment List analysis of census data. At age 30, millennial home ownership hit 42%, compared with 48% for Gen Xers and 51% for baby boomers.
> Just 47.9% of U.S. millennials owned homes in 2020, according to Apartment List analysis of census data. At age 30, millennial home ownership hit 42%, compared with 48% for Gen Xers and 51% for baby boomers.
https://archive.is/P5EKj#selection-3963.136-3971.67 - Bloomberg: Don’t Blame Avocado Toast. Here’s Why Millennials Don’t Own Homes
Maybe you have access to more recent numbers that show that the majority of millennials are homeowners?