購房期拉長也是已開發國家共同趨勢:

"Historically, homeownership rates have tended to increase with age. The median age of renters who are the heads of their households is 41, up from 37 in 2000 according to a Zillow analysis of census data. But millennials have been taking longer to make this transition compared with previous generations. At age 34, 52.7% of millennial households owned a home, compared with 57% of Gen Xers and 58.9% of baby boomers at the same age, according to NMHC tabulations."

https://www.wsj.com/economy/housing/the-rise-of-the-forever-renters-5538c249?mod=economy_feat2_housing_pos4