Local authority IMD distance

Version: 1.0.0. This is the latest version. See all versions.

Description

The similarity between authorities is calculated by the proportion of the population living in high deprivation (1st quintile), medium deprivation (2nd-3rd quintile) and low deprivation (4th and 5th quintile) neighbourhoods. The population density is also used to help distinguish between authorities with very similar profiles of deprivation.

The labelling scheme is based on a composite score for the whole local authority. The quintile labels are assigned based on lower-tier population, and county and combined authorities are then slotted into based on their relative score.

This UK-wide comparison is based on a Composite Index of Multiple Deprivation system.

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Individual tables

Table: Local Authority IMD Similarity

Description:

Dataset of distance calculations based on Composite UK IMD.
This distance is based on:

  • Population density
  • proportion of LA population in LSOAs in IMD quintile 1
  • proportion of LA population in LSOAs in IMD quintile 2,3
  • proportion of LA population in LSOAs in IMD quintile 4,5

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Data description

Column name Data type Description Unique Required values
local-authority-code_A string A three/four letter code for the local authority No
local-authority-code_B string A three/four letter code for the local authority No
distance number The distance between the two local authorities (not meaningful except for comparisons) No
match number A score between 0 and 100 indicting how similar a council is (based on all known distances for a council) No
position number The rank of how much local authority B is similar to local authority A (1 is most similar). No

Table: Local authority IMD profile labels

Description:

A short category based on IMD profile for each local authority

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Data description

Column name Data type Description Unique Required values
local-authority-code string 3/4 letter local authority code. Yes
label string Label to describe IMD profile of authority. No 1st IMD quintile, 2nd IMD quintile, 3rd IMD quintile, 4th IMD quintile, 5th IMD quintile

Table: Local authority IMD labels

Description:

Map of short labels to longer descriptions for IMD categories.

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Data description

Column name Data type Description Unique Required values
label string Short label for IMD profile. Yes 1st IMD quintile, 2nd IMD quintile, 3rd IMD quintile, 4th IMD quintile, 5th IMD quintile
desc string Longer description of IMD profile. Yes Councils in most deprived quintile (20%), Councils in second most deprived quintile (20%), Councils in middle deprivation quintile (20%), Councils in second least deprived quintile (20%), Councils in least deprived quintile (20%)

Change log

1.0.0

lock data schema

0.1.1

description changed from 'Rankings, match-scores and labels for local authorities based on composite UK IMD data ' to 'The similarity between authorities is calculated by the proportion of the population living in high deprivation (1st quintile), medium deprivation (2nd-3rd quintile) and low deprivation (4th and 5th quintile) neighbourhoods. The population density is also used to help distinguish between authorities with very similar profiles of deprivation. The labelling scheme is based on a composite score for the whole local authority. The quintile labels are assigned based on lower-tier population, and county and combined authorities are then slotted into based on their relative score. This UK-wide comparison is based on a [Composite Index of Multiple Deprivation](https://mysociety.github.io/composite_uk_imd) system. '

0.1.0

Initial load of data