1991 Census Preliminary Report
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DEPARTMENT OF HEALTH AND SOCIAL SERVICES REGISTRAR GENERAL NORTHERN IRELAND IxlJc NORTHERN IRELAND CENSUS 1991 PRELIMINARY REPORT Pi epared pursuant to Section 4(1) of The Census Act (Northern Ireland) 1969 BELFAST: HMSO DEPARTMENT OF HEALTH AND SOCIAL SERVICES REGISTRAR GENERAL NORTHERN IRELAND THE NORTHERN IRELAND CENSUS 1991 PRELIMINARY REPORT Prepared pursuant to Section 4(1) of The Census Act (Northern Ireland) 1969 BELFAST: HMSO © Crown copyright 1991 First published 1991 CONTENTS Page Map of Local Governmeni Districts v Foreword by the Registrar General for Northern Ireland vii 1991 Census Preliminary Results ix Coverage ix Natural Increase and Intercensal Movement ix Sexes xi 1991 Census Preliminary Results compared with Estimates xii Towns xii Private Households xii Tables 1-3 xiii 1. Population 1821-1991 - Northern Ireland 1 2. Private Households 1981 and 1991 - Local Government Districts 1 3. Private Households and Population Enumerated 1991 - Local Government Districts and Wards 2 IV Northern Ireland LOCAL GOVERNMENT DISTRICTS and ^^—^ U mm \ N HEALTH AND SOCIAL SERVICES BOARD AREAS 7 ( J ^'^^^ ( /^\\ I I ^"C^— > jf V MllWKM S \ I / ^ \ I^ N 6 R T H E R3 )C\ J $iim« .^^^^^ /5^ r\ Xvuma// ^ V W Ejs/r E R N > ,««»-. v^m^ P-^Kc ^'^iTiiT^? I ^^ ^M«. BHABH ^f /^^^^^^^^•HP^^DI^''^ \ ^^"^vfe^ /N. MBS \ 11 ^ <! \ S O UJjH E R N \ / HSSBAreas ^MM ^ S ^^ NEWIY ft MIMIE V^^H SUIE I District Council Areas ^..^ ^^XAK r r\^^v_.^ y f * ^ ? mUm j VI REGISTRAR GENERAL^S FOREWORD INTRODUCTION This is the preliminary report on the Census of Population which was held in Northern Ireland on 21 April 1991. Censuses were also taken on the same date in other parts of the United Kingdom and the Republic of Ireland. The preliminary count represents the population recorded as present in Northern Ireland on Census night in private house holds, communal establishments, ships and other places. The count also shows the number of private households for each local government district. The figures in the report are provisional and have been obtained from the records prepared by the field staff and from the completed census forms and are subject to revision when the returns are ex amined further for the later and more detailed census reports. ORGANISATION The 1991 Census was organised on broadly similar lines to the 1981 Census. The country was again divided into small areas (enumeration districts), in each of which an enumerator was responsible for enumerating all persons present or resident within the district on census night. This involved the delivery and collection of forms in these districts. There were around 3,700 districts compared with 3,000 in 1981 and each contained on average 155 households. The enumeration districts were grouped into census districts, each containing on average 24 enumeration districts. A census officer was appointed to each census district to assist in the recruitment and training of enumerators and to oversee their work. In all 158 census officers were appointed. Census Area Managers formed the top tier of the field organisation. Each was responsible for recruiting, training and overseeing the work of the census officers. In total therefore, up to 4,000 field staff were recruited by Census Office through the Training and Employment Agency of the Department of Economic Development, advertising in the local press and by the display of posters in public places. TAKING THE CENSUS The success of a population census depends greatly on the attitude of the public and their co-operation in completing census returns. I wish to thank householders and all others responsible for the completion of forms for their willingness and understanding. Thanks are also due to the BBC, ITV, local radio stations and the Press for their invaluable assistance in publicising and generating interest in the Census and to Post Offices, local authorities, public services and others who helped in various ways to get the Census message across. The part played by staff in the field and at headquarters was of course vital and I am grateful for their dedication and enthusiasm. Overall, I am pleased to record a very good response to the Census. The total population enumerated as present in Northern Ireland on Census night was 1,569,971. The number of households enumerated was 524,638 which repre sents 98.2% of the estimated total number of households. A number of households could not be contacted during the Census. These households were subsequently contacted by a letter requesting them to complete and return a Census form and explaining why it was in their interest to do so. Returns from this follow-up exercise will be reflected in the later and more detailed topic reports. THE FUTURE PROGRAMME As indicated, the figures in this report are provisional and are based on the population present on Census night. The main Census Reports will be based on a computer analysis of the data obtained from Census forms and will reflect the population resident in each district council area. The task of processing the results is under way and it is planned to publish the Summary Report, which is the first of the detailed reports, in the Autumn of 1992. It will contain figures on area, population, age, marital status, religion, economic activity and housing for each Northern Ireland local government district. This will be followed by a Belfast Urban Area Report towards the end of 1992. The remaining detailed Reports on the particular topics of economic activity, workplace, housing, migration, education, religion and Irish language will be published as soon as possible thereafter. R McMURRAY Registrar General July 1991 vii Vlll 1991 CENSUS PRELIMINARY RESULTS The figures, which are provisional, are based on the actual population present and enumerated in Northern Ireland on Census night including civilians and Service personnel. There were minor changes regarding the enumeration of ship ping since the 1981 Census. The enumeration of naval ships was handled by the Ministry of Defence; and British registered commercial vessels were enumerated at larger ports by customs officers and at smaller ports and marinas by enunierators. Enumerators were responsible for enumerating small boats and houseboats on inland waterways and in port areas. Foreign registered vessels in ports, excluded in 1981, were included in 1991. The figures show that the population of Northern Ireland as enumerated at midnight on 21 April 1991 totalled 1,569,971 comprising 764,818 males and 805,153 females. As indicated under the COVERAGE heading below, the figures represent 98.2% of the estimated total number of households. In the 1981 Census the total enumerated population was 1,490,228. However, the 1981 Census suffered the effect of non-response in some areas, and the overall population, including non-enumerated, was subsequently estimated at 1,532,196. COVERAGE Results from any population census will inevitably contain some inaccuracies arising from: a. Failure to identify all the living accommodation in an enumeration district. b. Incorrect classification of accommodation as vacant or occupants absent. c. Failure to identify all the households in a building. d. Failure to make contact with some households. e. Misunderstanding of the form by the form-filler. A Census validation survey will attempt to quantify these inaccuracies. This is a voluntary survey covering a sample of 2,000 addresses and will provide useful information on both the quality and coverage of the Census. The number of households enumerated was 524,638 which represents 98.2% of the estimated total number of house holds. Around 10,000 households, following several calls by enumerators, could not be contacted. Letters have been sent to these explaining the importance of making a census return, and stressing that it is in their interest to do so. NATURAL INCREASE AND INTERCENSAL MOVEMENT The figures for natural increase, ie excess of births over deaths, are obtained from the annual statistics of births and deaths published in the Registrar General's Annual Reports. The natural increase of the population for each intercensal period since birth and death registration commenced in 1864 is shown in Table 'A' together with the actual variations in population for each period and the net loss by migration for 1871-1991. There have been no significant changes in the population in the intercensal period between 1981 and 1991. The number of births registered (274,834) during the period shows an increase of 48 compared with the number of births registered in the 10 year intercensal period between 1971 and 1981 while the number of deaths registered (159,025) in the same comparative periods shows a decrease of 8,207. The excess of births over deaths (115,809) in the intercensal period 1981 to 1991 when placed against the total estimated population for 1981 suggests a net outward migration of around 78,000 or an average of 7,800 persons per year over the period. These figures are subject to downward adjustment as forms currently outstanding are received. They compare with about 150,000 or 15,000 persons per year between 1971 and 1981 and about 60,000 or 6,000 persons per year between 1961 and 1971. However, within the total population figures there is considerable variation at District Council level between the enumerated population and the 1990 mid-year estimates. These variations reflect the great difficulty, common to other countries, of obtaining reliable information about migration. They also reflect the difficulty in attributing the