Census transformation

Outlines the recommendations for the 2021 Census, and the associated Equality Impact Assessment.

An update on our research and testing of questions and topics.

Find out what the census is and why it's important to all of us.

Find out the latest from our Census Transformation Programme, including upcoming events, how to register and contribute.

Find out what we are doing to ensure the 2021 Census outputs retain the National Statistics accreditation.

As part of our preparations for the 2021 Census, the Office for National Statistics (ONS) will be holding a census rehearsal in autumn 2019.

We’ve published our response to the consultation we carried out on our proposed design of 2021 Census outputs.

Find out the latest on our output plans for the data from the next census.

Details the work to determine the questions in the 2021 Census, and the development of the 2021 Census questionnaire.

Find out about the legislation behind the 2021 Census.

In April 2017, the Office for National Statistics (ONS) held a large-scale test in several parts of the country in preparation for the next census.

Our latest Administrative Data Census Research Output publications.

Sets out the initial thinking for the design of the 2021 Census in England and Wales.

We are investigating the feasibility of moving to a census based on administrative data after 2021. Learn about our progress and research outputs here.

Innovative approaches and new technologies.

It's our main priority. Find out how we ensure the security of your data.

Find out the latest information on our consultations and access previous consultations.

The Office for National Statistics (ONS) is welcoming a number of suppliers to help deliver the 2021 Census.

Beyond 2011 programme closed in January 2015. The new Census Transformation Programme (CTP) will develop the 2021 Census.

Want to talk to us? Here's how.