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 Social diversity ratio (No.)
Characteristic Description
Name Social diversity ratio (No.) by Place of residence (at the date of Census 2011); Decennial
Regularity Decennial
Source Statistics Portugal, Population and housing census - 2011
First available period 2011
Last available period 2011
Dimensions
  • Data reference period
  • Place of residence (at the Census moment 2011)
Concepts
  • RESIDENT POPULATION:  Set of persons who, regardless of being present or absent in a given housing unit at the moment of observation, have lived in the place of their usual residence for a continuous period of 12 months prior to the moment of observation, or have arrived to the place of their usual residence during the period of 12 months prior to the moment of observation, with the purpose of living there for a year, at least.
  • REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
Definition Social diversity ratio - reflects a measure of the degree of diversity of a territorial unit. It varies between 0 (maximum specialization) and 1 (maximum diversity). For each territorial unit, the calculation of this indicator is established by the following steps: 1) the product between the weight of each socioeconomic group in the territorial unit's population and the natural logarithm of this weight; 2) the sum of the values obtained for every socioeconomic group; 3) the division by the natural logarithm of the number of socioeconomic groups considered; 4) the adoption of the symmetrical value obtained.
Measure unit (symbol) Number (No.)
Power of 10  0
Observations
Last update date 10/10/2013


information presented in 6/11/2025