Rental housing tends to serve lower-income residents as it ages.
The rental-income index falls much more with building age than the owner-occupied index.
REDRAWN FROM STUDY DATAFigure 1 · Occupant income as homes age
Figure 1 · Occupant income as homes age. Values digitized from Figure 1; rental slope checked against the reported 2.5% annual filtering rate in the archived publication; minor reading error is possible.