Occupancy n. : The act of taking or holding possession; possession; occupation.

Example:
How does one figure Occupancy percentage on a monthly basis?

Taxonomy
occupancy, occupancy separation, fire protection, fire, occupancies, Building Construction, fire doors, NFPA 5000, Safety Code, fire-resistance rating, free encyclopedia, VACANCY, Building code, Fire Resistance, two-hour, occupancy sensor, in Fire, closures.

Defination from the web:
occupancy separation is often required between the two, should there be a vehicle fire. ... Occupancy can also refer to the number of units in use, such as hotel rooms, apartment flats, or offices. ...