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Census Analysis & Policy-making in London. London Census Information Scheme. 17 July ONS User Engagement Workshop. Analytical Output. Commissioned Work. Data Accessibility. London Datastore. London Datastore. Census Analysis to underpin Policy-making in London.

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census analysis policy making in london

Census Analysis &Policy-making in London

London Census Information Scheme

17 July

ONS User Engagement Workshop

census analysis to underpin policy making in london
Census Analysis to underpin Policy-making in London
  • Mixed and Balanced Communities
  • Claimant Count Model
  • Child Yield Estimation
  • London Infographics
mixed balanced communities

Mixed & Balanced Communities

Applying Census Data

the brief
The brief
  • London Assembly asked us to identify areas of London that show the most diversity
  • Aim to track the impact of interventions on the mix and balance of communities across London
  • As a benchmark, look at the most diverse areas in 2001 and 2011
  • Diversity measured across a range of indicators - housing, economic and social characteristics
  • Tenure
  • Accommodation type
  • Household composition
  • Age
  • Socio-Economic Group
  • Ethnic group
  • For each of the six domains:
  • Calculate Diversity Indices for 2001 and 2011 for local areas in London – Lower Super Output Areas were chosen as small enough to comprise local communities
  • Index change measures increasing or decreasing diversity between 2001 and 2011



measuring overall diversity
Measuring overall diversity
  • Accommodation type, Household Composition and age structure generally higher diversity in outer London
  • Only Tenure higher in inner London
  • Ethnicity and SEG highest in “clusters”
  • Counted those LSOAs in top quartile across multiple domains
gla claimant count model

GLA Claimant Count Model

Incorporating Census Data

using the census in gla claimant count models
Using the Census in GLA Claimant Count models
  • GLA runs two Claimant Count models to produce claimant count rates as a proportion of the labour force
    • Age, Sex and Duration (ward level)
    • Ethnic group, Age and Sex (LA level)
  • The models rely on bringing together data from a range of sources to produce something meaningful and useful

How does the model work?





Monthly Claimant Count

Labour force estimate

Ward population

age x sex


age x sex

Economic Activity Rates

age x sex


Economic Activity Rates

GLA Population projections

Change in Economic

Activity Rates




(IPS ++)

Forecast Dwelling Changes

Borough Planning Departments

Births + Deaths

ONS registrations

HRP rates

age, sex &

marital status



= census data

why do we do it
Why do we do it?
  • Wide differences in economic activity rates by age, sex and ethnic group, so labour force estimates give a better indication of the population “at risk” than purely age-based denominators
  • Used by Boroughs to track and monitor changes in rates for particular sub groups of the population and therefore target efforts and programmes.
    • Not the full picture of unemployment, but
      • more up-to-date than ILO measures
      • can be done for more detailed geographic areas
population yield estimation

Population Yield Estimation

Adding value to Census Data

gla population yield model
GLA Population Yield Model
  • Current Approach:
    • Sample data from Wandsworth and Oxford
  • New Approach
    • 2011 Census data
    • London development data
yield rates
Yield Rates
  • Geographically specific
  • For Market & Social units
  • By Number of bedrooms
yield rates1
Yield Rates
  • Geographically specific
  • For Market & Social units
  • By Number of bedrooms
  • 2 bedroom
  • Market housing
  • East London

0.276 children

yield rates2
Yield Rates
  • Geographically specific
  • For Market & Social units
  • By Number of bedrooms
  • 3 bedroom
  • Social housing
  • South London

1.847 children

next steps
Next Steps
  • Produce a total yield in 10-year age bands
  • Create a tool that allows bespoke geographic aggregations
cis infographics

CIS Infographics

Visualising Census Data

information graphics or infographics
Information graphics (or infographics)

Infographics are visual representations of data.

They present information quickly and clearly.

cis infographics1
CIS infographics
  • Country of Birth
  • Demography
  • Economic Activity
  • Housing
  • Qualifications
  • Where students live
census information scheme
Census Information Scheme



Richard Walker

Richard Cameron

William Tonkiss

Jack Ryan