There have been many headlines decrying an “affordability crisis” in the residential real estate market. While it is true that buying a home is less affordable than it had been over the last ten years, we need to understand why and what that means.
On a monthly basis, the National Association of Realtors (NAR), produces a Housing Affordability Index. According to NAR, the index…
“…measures whether or not a typical family earns enough income to qualify for a mortgage loan on a typical home at the national and regional levels based on the most recent price and income data.”
Their methodology states:
“To interpret the indices, a value of 100 means that a family with the median income has exactly enough income to qualify for a mortgage on a median-priced home. An index above 100 signifies that family earning the median income has more than enough income to qualify for a mortgage loan on a median-priced home, assuming a 20 percent down payment.”
So, the higher the index, the more affordable it is to purchase a home. Here is a graph of the index going back to 1990: