A methodological strategy for a one-number census in the UK

J. J. Brown, I. D. Diamond, R. L. Chambers, L. J. Buckner*, A. D. Teague

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


As a result of lessons learnt from the 1991 census, a research programme was set up to seek improvements in census methodology. Underenumeration has been placed top of the agenda in this programme, and every effort is being made to achieve as high a coverage as possible in the 2001 census. In recognition, however, that 100% coverage will never be achieved, the one-number census (ONC) project was established to measure the degree of underenumeration in the 2001 census and, if possible, to adjust fully the outputs from the census for that undercount. A key component of this adjustment process is a census coverage survey (CCS). This paper presents an overview of the ONC project, focusing on the design and analysis methodology for the CCS. It also presents results that allow the reader to evaluate the robustness of this methodology.

Original languageEnglish
Pages (from-to)247-267
Number of pages21
JournalJournal of the Royal Statistical Society. Series A, (Statistics in Society)
Issue number2
Publication statusPublished - 1999


  • Census coverage survey
  • Census underenumeration
  • Dual system estimation
  • Regression estimation
  • Sampling


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