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2011 Census data publishing strategy

The latest release from the 2011 Census is being published across ONS’s websites. This page explains why.

About ONS’s family of websites

ONS is responsible for four websites, each offering a different service:

  • The ONS website publishes all bulletins, and most of the data, from its releases, as well as offering background information and guidance.

  • Neighbourhood Statistics (NeSS) is an ONS web service specialising in the dissemination of detailed, small-area data. The NeSS website has an API.

  • Nomis is a web service provided by the ONS to give access to detailed UK labour market and other population statistics from official sources. This site is designed to handle complex tables.

  • The Publication Hub is owned by the UK Statistics Authority, and operated by ONS on behalf of the the National Statistician. It announces and links to statistical releases from across the Government Statistical Service – the statistical units from UK government departments.

Why are the latest releases published on Neighbourhood Statistics and Nomis?

Neighbourhood Statistics (NeSS) was designed to disseminate small-area statistics. It also holds small-area data from the 2001 Census data. ONS has therefore decided to publish Key and Quick Statistics through NeSS.

Nomis is designed to handle complex data for smaller areas. Therefore, Nomis is publishing Key and Quick Statistics for health areas, postcode sectors and Welsh Government devolved constituencies.

Will the ONS website have any new data?

The ONS website carries the data at local authority level, in English and in Welsh. It also holds three tables to output area level: extended ethnic group tables CT1001EW and QS211EW, and extended religion table QS209EW.

The ONS website also carries Key Statistics for national parks.

Do I have to register to use other ONS websites?

No. You do not need to register to use any of our websites. All sites are free to use.

Do the published table layouts apply to the data on NeSS and Nomis?

The final table layouts correspond to the 2011 Census Key Statistics and Quick Statistics that have been published on the ONS website to local authority geographical level on 30 January in English and in Welsh.

Due to differences between the NeSS, Nomis and ONS websites, there will be some presentational differences on NeSS and Nomis. Despite these differences, the data are the same on each site.


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