"These statistics follow the release of the population estimates for the UK, which were published on 17 December 2012. The 2011 Census outputs for the UK are delivered by the Office for National Statistics"--Back cover.
2011 Census : population estimates by five-year age bands, and household estimates, for local authorities in the United Kingdom. ISBN 9781909620117. Published by Dandy Booksellers Ltd. Publication and catalogue information, links to buy online and reader comments.