This autumn the UK Office for National Statistics (ONS) has turned on Cantabular to power the production of outputs from the 2021 England and Wales census. This marks an important milestone in a 5 year journey that started with a simple question from the ONS: “Could we build a system to generate tables of census data on demand with privacy protections applied in real-time?”.
The Office for National Statistics (ONS) is using Cantabular to generate outputs for the England and Wales Census 2021. What are the key reasons for Cantabular’s existence and how have they been achieved? In this blog post we outline some of the approaches we’ve taken to achieve performance goals in Cantabular and how these have enabled new approaches for Census 2021.