Due to the breadth and depth of the 2011 Census results, the data are being released by the Office for National Statistics (ONS) in four main stages:
- First release 16 July - November 2012
Local Authority (Borough) level only - Age and sex, and occupied households estimates; Information about second addresses by age, sex, and type of second address.
Second release (phase 1) - 11 December 2012
Local Authority (Borough) level only - Various tables including; Age structure; Marital status; Household composition; Lone parent households; Ethnic group; National identity; Country of birth; Passports held; Household language; Religion; Health; Dwellings type; Tenure; Car or van availability; Qualifications; Economic activity; Hours worked; Industry and Occupation.
Second release (phase 2) - 30 January 2013
All of the tables in phase 1 above, and others at lower geographies, i.e. output area, ward and parliamentary constituency.
- Second release (phase 3) - 19 February 2013
Key and Quick Statistics for health areas, postcode sectors and National Assembly for Wales constituencies and electoral regions.
- Second release (phase 4) - 26 March 2013
Key Statistics for non-UK born short-term and Quick Statistics on national identity, passports held and Social Grade for Usual Residents.
Third release March 2013 - June 2013
What the ONS call 'Local Characteristics', comprise a range of cross-tabulations, e.g. Age by sex and resident type; Sex and age by ethnic group; Sex and age by economic activity; Sex and age by general health and provision of unpaid care; Country of birth by age and sex; Sex and occupation by age; Dwelling type and accommodation type by household space type; etc.
Fourth release July 2013 - October 2013
What the ONS call 'Detailed Characteristics' statistics, there are no details as yet of what these will comprise.
National and London Borough Data
On the ONS 2011 Census home page you will find the full details of the releases, including
- The tables as excel spreadsheets
- Interactive tools to interpret the data (graphs and maps)
- Census analysis by the ONS
The Greater London Authority has also put together similar tools and reports relating specifically to London, these are available on the London Datastore