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Statistical quality assurance

We have published a Statistical Quality Assurance Strategy. We plan to update this at key stages of the census journey.

The strategy provides an overview of how we will assess and measure the quality of how we:

  • collect and process census data
  • produce and release census outputs

Assurance of processes

We are developing robust methodology and processes for each step of the census data journey. This is a key part of ensuring quality in our work. These steps are:

Internal and external assurance

Before we start using these methodologies, they undergo peer and external review. Our strategy has also been reviewed in this way.

National Statistics Accreditation

Additionally, the Office for Statistics Regulation is assessing our work against the Code of Practice for Statistics.

Read more about Office for Statistics Regulation assessment.

Validation of population estimates and topic-based analysis

Other quality assurance activity includes:

  • validation of population estimates, through comparing our national and local authority estimates to other data
  • topic-based analysis, through comparing our topic-based population estimates with other data

Quality assurance in UK censuses

We work closely with the other UK censuses to harmonise our efforts around quality assurance.

To support this, we have jointly set up the UK Statistical Quality Working Group. Through this group, we meet regularly with the Office for National Statistics and the Northern Ireland Statistics and Research Agency. The group meets 4 times a year to discuss:

  • methodology
  • best practice
  • lessons learned
  • opportunities for joint working

Quality assurance in international censuses 

We work with other censuses around the world to share experiences and lessons learned. Learning from other censuses can help us make improvements to our own quality assurance. Countries we work with include:

  • Canada
  • Republic of Ireland
  • USA
  • Australia
  • New Zealand 

Stakeholder engagement

We would like feedback from stakeholders and census users on our quality assurance plans. Send your feedback to: censussqa@nrscotland.gov.uk

In November 2019, we presented our quality assurance strategy to the Population and Migration Statistics Committee (Scotland)