• Data reference period
• Geographic localization (at the date of Census 2011)

• HOUSEHOLD DWELLING:  Dwelling that is normally intended to accommodate only one family, on the condition that it is not being used for other purposes at the period of reference.
• RENDA DO ALOJAMENTO:  Ver RENDA PARA HABITAÇÃO
• REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
• CONVENTIONAL DWELLING:  Dwelling consisting on a room or suite of rooms and its accessories in a permanent building or structurally separated part thereof, having a separate access to a street (direct or via a garden or grounds) or to a common space within the building (staircase, passage, gallery and so on).

[(Rented living quarters for less than 20€ * 10€ + Rented living quarters between 20€ and 34,99€ * 27,5€ + Rented living quarters between 35€ and 49,99€ * 42,5€ + Rented living quarters between 50€ and 74,99€ * 62,5€ + Rented living quarters between 75€ and 99,99€ * 87,5€ + Rented living quarters between 100€ and 149,99€ * 125€ + Rented living quarters between 150€ and 199,99€ * 175€ + Rented living quarters between 200€ and 299,99€ * 250€ + Rented living quarters between 300€ and 399,99€ * 350€ + Rented living quarters between 400€ and 499,99€ * 450€ + Rented living quarters between 500€ and 649,99€ * 575€ + Rented living quarters for 650€ or more than * 780€)/ Rented living quarters]