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The REALTORS® Affordability Distribution Curve and Score measures housing affordability at different income levels for all active inventory on the market. For each state and the 100 largest metropolitan areas, REALTORS® Affordability Distribution Curve shows how many houses are affordable to households ranked by income while REALTORS® Affordability Distribution Score is the measure which is intended to represent affordability for all different income levels in a single measure.

The REALTORS® Affordability Distribution Score is different in two major ways from the existing Housing Affordability Index (HAI):

  1. It considers affordability for all income percentiles, not just the median income, and
  2. It looks at affordability of active inventory or homes currently available for sale instead of homes that have already sold.


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