A 50 year mortgage is a home loan concept, floated recently by President Trump, that would stretch repayment across five decades instead of the standard 30 years, promising lower monthly payments in exchange for far more interest paid and much slower equity growth.
Key Takeaways
- Trump suggested 50 year mortgages could make homebuying more affordable by lowering monthly payments.
- On a median priced $415,000 home, a 50 year loan would save roughly $100 a month versus a 30 year loan, based on Investopedia calculations.
- Borrowers would likely pay a rate around half a percentage point higher than a 30 year loan, according to UBS analyst John Lovallo.
- Equity building would slow dramatically: about $115,000 less built after 20 years compared with a 30 year loan on the same home.
- Economists argue the core problem is a shortage of 3 million to 4 million homes, not loan duration, per Goldman Sachs estimates.

What Trump Proposed and Why Critics Pushed Back
Trump raised the idea in a social media post, arguing that extending the traditional 30 year mortgage term could shrink monthly payments enough to