• Mae'r wefan hon ar gael yn y Gymraeg

Census 2021 – demography and migration data is now available…


On 2 November the Office for National Statistics (ONS) published the second round of data from the 2021 census.

Demography and migration data is available at a local authority and local area level. It includes:

  • All households
  • Year of arrival in UK
  • Length of residence in the UK
  • Passports held
  • Country of birth
  • Usual resident population
  • Population density
  • Age structure (five year age bands) by sex
  • Marital status
  • Age structure.

To help you use and understand the data, we have:

For more information on census data please contact Sam Sullivan.

Posted by
y Golygydd / the Editor