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Religion (detailed)


This dataset provides Census 2021 estimates that classify usual residents in England and Wales by religion. The estimates are as at Census Day, 21 March 2021.

Variable and dataset information

Area type

Census 2021 statistics are published for a number of different geographies. These can be large, for example the whole of England, or small, for example an output area (OA), the lowest level of geography for which statistics are produced.

For higher levels of geography, more detailed statistics can be produced. When a lower level of geography is used, such as output areas (which have a minimum of 100 persons), the statistics produced have less detail. This is to protect the confidentiality of people and ensure that individuals or their characteristics cannot be identified.

Awdurdodau lleol haen is

Mae awdurdodau lleol haen is yn darparu amrywiaeth o wasanaethau lleol. Mae 309 o awdurdodau lleol haen is yn Lloegr, sy'n cynnwys 181 o ddosbarthau anfetropolitanaidd, 59 o awdurdodau unedol, 36 o ddosbarthau metropolitanaidd a 33 o fwrdeistrefi Llundain (gan gynnwys Dinas Llundain). Yng Nghymru, mae 22 o awdurdodau lleol sydd wedi'u ffurfio o 22 o awdurdodau unedol.


Census 2021 statistics are published for the whole of England and Wales. However, you can choose to filter areas by:

  • country - for example, Wales
  • region - for example, London
  • local authority - for example, Cornwall
  • health area – for example, Clinical Commissioning Group
  • statistical area - for example, MSOA or LSOA

Crefydd (manwl) (58 o gategorïau)

Y grefydd y mae pobl yn cysylltu neu'n uniaethu â hi (eu hymlyniad crefyddol), p'un a ydynt yn ei harfer neu'n credu ynddi ai peidio.

Roedd y cwestiwn hwn yn wirfoddol ac mae'r newidyn yn cynnwys pobl a atebodd y cwestiwn, gan gynnwys "Dim crefydd", ochr yn ochr â'r rhai a ddewisodd beidio ag ateb y cwestiwn hwn.

Mae'r newidyn hwn yn dosbarthu pobl i'r 8 opsiwn ymateb â blwch ticio. Caiff ymatebion ysgrifenedig eu dosbarthu yn ôl eu hymlyniad crefyddol “gwreiddiol”, gan gynnwys ‘Dim crefydd’, pan fo'n gymwys.


Population type
All usual residents
Area type
Awdurdodau lleol haen is
England and Wales
Crefydd (manwl) (58 o gategorïau)
58 Categories
  • Christian
  • Buddhist
  • Hindu
  • Other religion: Mysticism
  • Other religion: Native American Church
  • Other religion: New Age
  • Other religion: Zoroastrian
  • Not answered
  • Does not apply
Show all 58 categories

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Protecting personal data

Sometimes we need to make changes to data if it is possible to identify individuals. This is known as statistical disclosure control.

In Census 2021, we:

  • swapped records (targeted record swapping), for example, if a household was likely to be identified in datasets because it has unusual characteristics, we swapped the record with a similar one from a nearby small area (very unusual households could be swapped with one in a nearby local authority)
  • added small changes to some counts (cell key perturbation), for example, we might change a count of four to a three or a five – this might make small differences between tables depending on how the data are broken down when we applied perturbation

Read more in Section 5 of our article Design for Census 2021.

Version history

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