The household debt-to-income ratio has exceeded 100%, a considerable increase compared to previous decades.The surge in home ownership contributed heavily to the debt boom, with a homeownership rate reaching 62% by 1970.In the 1945-1980 period, people's lives and incomes seemed more equal, leading to a higher acceptance of accessing debt.The fact that people's lives equalized as much as their incomes is a significant factor in this story.