The papers below give details of the key areas of research undertaken throughout the One Number Census (ONC) project, and the details of the final methodology.

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To view a paper, please click on the relevant paper number below:

SC0101	ONC Methodology - includes an outline of the final ONC Methodology. This paper is 327KB in size and prints to 40 A4 pages.
SC9805	A Methodological Strategy for a One Number Census in the UK - this paper was submitted to a Royal Statistical Society Series A journal, and contains the Census Coverage Survey (CCS) design strategy. This paper is 239KB in size and prints to 40 A4 pages.
SC9812	Census Coverage Survey Design - presents the research into the sample size and stratification of the CCS. This paper is 147KB in size and prints to 26 A4 pages.
SC0010	Design Groups for Use in 2001 One Number Census - details the makeup of the Design Groups in terms of Local Authority Districts for use in the ONC process. This paper is 301KB in size and prints to nine A4 pages.
SC0015	2001 Hard to Count Index - recommends the final formation of the Hard to Count Index. This paper is 96KB in size and prints to 15 A4 pages.
SC9814	ONC Matching - proposes the matching strategy for use in the ONC process. This paper is 207KB in size and prints to 35 A4 pages.
SC0105	ONC Matching - demonstrates that the required accuracy will be met in the matching process. This paper is 217KB in size and prints to 23 A4 pages.
SC0003A	Estimation Strategy for Design Group Estimates by Age and Sex from the Census Coverage Survey - proposes the methodology for estimating the population of the design groups. This paper is 197KB in size and prints to 26 A4 pages.
SC0003B	ONC Local Authority Estimation - examines the small area estimation methods for producing Local Authority District population estimates. This paper is 194KB in size and prints to 28 A4 pages.
SC0016	ONC Estimation Update - details some minor changes to the estimation strategy. This paper is 170KB in size and prints to 33 A4 pages.
SC0018	Taking Forward the ONC Quality Assurance and Contingency Strategy - outlines the methodologies behind the QA and contingency strategies used in the ONC process. This paper is 76KB in size and prints to 15 A4 pages.
SC9908	A Donor Imputation System to Create a Census Database Fully Adjusted for Underenumeration - details the imputation methodology used in the ONC process. This paper is 53KB in size and prints to seven A4 pages.

This page last revised: 01 November 2005