WordNet
vacancy rate
n. the percentage of all rental units (as in hotels) that are unoccupied or not rented at a given time
Usage examples of "vacancy rate".
Not too bad as Red-mond facilities go: most windows and doors still intact, few bullet holes in the walls, and a vacancy rate of under 50 percent.
This oversight may have explained the vacancy rate that had spread through the core like a cancer, affecting one shop, then its neighbors, and their neighbors, until the block looked like a massive advertisement for Bear Valley Realty.