National and subnational mid-year population estimates for the UK and its constituent countries by administrative area, age and sex (including components of population change, median age and population density).

Description of Data Notes: 1. Net Migration is the difference between inflows and outflows. Inflows = people coming to Northern Ireland to live Outflows = people leaving Northern Ireland to live elsewhere 2. In general the precision of the migration estimates could be considered to be no better than to the nearest 100. 3. The estimates are produced using a variety of data sources and statistical models. Therefore small estimates should not be taken to refer to particular individuals. 4. The migration element of the components of change have been largely derived from a data source which is known to be deficient in recording young adult males and outflows from Northern Ireland. Therefore the estimates are subject to adjustment to account for this and, while deemed acceptable for their use, will not provide definitive numbers of the population in the reported groups/areas. Further information is available in the Limitations section of the statistical bulletin: NISRA 2023 Mid-year Population Estimates webpage Time Period Estimates are provided for mid-2002 to mid-2023. Methodology The cohort-component method was used to create the population estimates for 2022. This method updates the Census estimates by 'ageing on' populations and applying information on births, deaths and migration. Further information is available at: NISRA 2023 Mid-year Population Estimates webpage Geographic Referencing Population Estimates are based on a large number of secondary datasets. Where the full address was available, the Pointer Address database was used to allocate a unique property reference number (UPRN) and geo-spatial co-ordinates to each home address. These can then be used to map the address to particular geographies. Where it was not possible to assign a unique property reference number to an address using the Pointer database, or where the secondary dataset contained only postcode information, the Central Postcode Directory was used to map home address postcodes to higher geographies. A small proportion of records with unknown geography were apportioned based on the spatial characteristics of known records. Further Information NISRA Mid-year Population Estimates webpage Contact: NISRA Customer Services 02890 255156 census@nisra.gov.uk Responsible Statistician: Jonathan Harvey

The health of the farming community in Northern Ireland (NI) requires further research as previous mortality studies have reported contradictory results regarding farmers’ health outcomes compared against other occupations and the general population. This study collated the NINIS area-level farm census with the population census information across 582 non-overlapping wards of NI to compile three mortality datasets (2001, 2011, and pooled dataset) (NISRA 2019). These datasets allow future researchers to investigate the influence of demographic, farming, and economic predictors on all-cause mortality at the ward level. The 2001 and 2011 mortality datasets were compiled for cross-sectional analyses and subsequently pooled for longitudinal analyses. Findings from these datasets will provide evidence of the influence of farming intensity scores on death risk within the wards for future researchers to utilise, and this will aid in the understanding of socio-ecological variables’ additive contribution to the risk of death at the ward level within NI. This data report is of interest to the One Health research community as it standardises the environment−human−animal data to pave the way towards a new One Health research paradigm. For example, future researchers can use this nationally representative data to investigate whether agriculturally saturated wards have a higher mortality risk than non-agriculturally based wards of NI.

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by ethnic group.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

All ethnic groups are classified within one of the five groups: White, Asian, Black, Mixed, and Other. 'Irish Traveller' is included in 'Other'; this is changed from Census 2011 when 'Irish Traveller' was included in 'White'.

Quality assurance report can be found here

This dataset provides Census 2021 estimates that classify usual residents aged 3 and over in Northern Ireland by main language.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

Main language is reported as provided by respondents; those who stated 'Chinese' are recorded as 'Chinese (not otherwise specified)'. If a specific Chinese language has been stated, it is recorded separately.

Quality assurance report can be found here

Abstract copyright UK Data Service and data collection copyright owner.The UK censuses took place on 27 March 2011. They were run by the Northern Ireland Statistics & Research Agency (NISRA), National Records of Scotland (NRS), and the Office for National Statistics (ONS) for both England and Wales. The UK comprises the countries of England, Wales, Scotland and Northern Ireland.Statistics from the UK censuses help paint a picture of the nation and how we live. They provide a detailed snapshot of the population and its characteristics and underpin funding allocation to provide public services. This is the home for all UK census data. The 2011 Census Microdata Individual Safeguarded Sample (Local Authority): Northern Ireland data collection forms part of the statistical outputs from the 2011 Northern Ireland Census. A safeguarded microdata sample of individuals has been identified as a key Census user requirement, and was highlighted as part of a report specifying microdata products from the 2011 Census written by an expert user, Dr. Jo Wathan from the University of Manchester. The purpose of a safeguarded sample of individuals is to be able to disseminate a detailed microdata file without onerous licensing conditions, by reducing the overall amount of detail compared to the secure samples. Whilst supplying sufficient detail on core variables to fulfil the intended aim of the microdata products, the safeguarded sample is a valuable multi-purpose research file that will be used on a wide range of projects. (For Censuses prior to 2011, these data may have been referred to as 'Samples of Anonymised Records', or SARSs.) This safeguarded sample is of 5% of the total population at Local Authority level (Northern Ireland), and contain a similar level of detail to the equivalent End User Licence Census 2001 Microdata samples. A similar Northern Ireland dataset at Regional level is held under SN 7769. These samples have a low risk of disclosure; but not nil. Registered UK Data Service Census users can download the data to their laptops after agreeing terms and conditions that include constraints on data management under remote storage conditions. Further information can be found on the Northern Ireland Statistics and Research Agency (NISRA) Census microdata webpage. Corresponding Regional and Local Authority level data for England and Wales are held under SNs 7605 and 7682, and for Scotland under SNs 7834 and 7835. Main Topics: Accommodation designed or adapted for health conditions; Central heating; Household size; Nature of communal establishment; Number of cars and vans; Pensioner household; Student accommodation; Tenure; Type of accommodation; Type of Establishment; Type of landlord; Whether accommodation is self-contained; Ability in Irish; Ability in Ulster Scots; Age of individual; Alternative Household Composition; Approximated social grade; Comparison of where you live and work; Country of birth; Distance moved from address one year ago; Done voluntary work without pay in the last year; Economic Activity; Employment type; English proficiency; Ethnicity; Ever worked; Exact pension age (on Census Day) indicator; Family status; General health; Hours worked per week; Household language; Age of Households Reference Person (HRP); Country of birth of HRP; National Statistics Socio-Economic Classification (NS-SeC) of HRP; Social grade of HRP; Industry of business; Intention to stay in the UK; Last year worked; Level of highest qualifications; Lived outside Northern Ireland for more than one year; Living arrangements; Long-term health problem; Main language; Marital Status; National identity; NS-SeC; Number of individuals in household with long-standing illness/disability; Number of people in household who provide care; Number of persons per room; Number of visitors on census night; Occupation; Passports held; Person of pensionable age indicator; Position within communal establishment; Provision of unpaid care; Relationship to HRP; Religion; Schoolchild or student in full-time education; Sex; Travel to work; Unemployment history; Usual address one year ago; Whether concealed family; Workers in generation one of family; Workplace or place of study; Year of Arrival in Northern Ireland.

The main population base for published statistical tables from the 2011 Census in Northern Ireland is the usual resident population base as at Census day, 27 March 2011. By way of background, for 2011 Census purposes a usual resident of the United Kingdom (UK) is anyone who, on Census day, was in the UK and had stayed or intended to stay in the UK for a period of 12 months or more, or had a permanent UK address and was outside the UK and had intended to be outside the UK for less than 12 months. Against this background, the 2011 Census Microdata Sample of Anonymised Records (SARs) Teaching File comprises a sample of 19,862 records (approximately 1 per cent) relating to people who were usually resident in Northern Ireland at the time of the 2011 Census. For each individual, information is available for seventeen separate characteristics (for example, sex, age, marital status) to varying degrees of detail. Both the size of the sample and the content of the records in the file have been harmonised, wherever possible, with the equivalent SARs teaching file that the Office for National Statistics simultaneously released for England and Wales. Purpose The primary purpose of the teaching file, which comprises unit-record level data as opposed to statistical aggregates, is as an educational tool aimed at: encouraging wider use of Census data by facilitating another way of examining Census data, for example through the building of statistical models, over and above that already available through the raft of standard tabular output released to date; providing a broad insight into the sort of detail that is generally included in a SARs product, along with data formats and any associated metadata. This will enable users (arguably those less experienced at using SARs products) to ‘play’ with the data and increase their knowledge and skills in readiness for accessing the more detailed SARs products that are planned and will be available in, for example, a safe setting; and assisting with the teaching of statistics and geography at GCSE and higher levels.

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by national identity (person based). This dataset is mutually exclusive; respondents are included in one group only (for example, this classification includes a 'British only' group, 'Irish only' group, and 'British and Irish only' group).

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

Mixed' indicates a respondent has written-in more than one national identity, the combination of which could not be coded to the existing framework. 'EU' is the European Union and is as defined on Census day (21 March 2021).

Quality assurance report can be found here

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by their county of birth. The estimates are as at census day, 21 March 2021.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

'EU' is the European Union and is as defined on Census day (21 March 2021).

Quality assurance report can be found here

Abstract copyright UK Data Service and data collection copyright owner.The UK censuses took place on 29th April 2001. They were run by the Northern Ireland Statistics & Research Agency (NISRA), General Register Office for Scotland (GROS), and the Office for National Statistics (ONS) for both England and Wales. The UK comprises the countries of England, Wales, Scotland and Northern Ireland.Statistics from the UK censuses help paint a picture of the nation and how we live. They provide a detailed snapshot of the population and its characteristics, and underpin funding allocation to provide public services. The Census 2001: Small Area Microdata SAM is a 5% sample of individuals for all countries of the UK, with 2.96 million cases. Local Authority is the lowest level of geography for England and Wales, Council Areas for Scotland and Parliamentary Constituencies for Northern Ireland. The Scilly Isles have been merged with Penwith and the City of London with Westminster. Orkney and Shetland are merged into one area. All other areas are identified. The median sample size for an authority is 5,600 records and nearly eighty authorities have more than 10,000 records. The amount of individual detail in the SAM is less than in the 2001 Individual Licenced Sample of Anonymised Records (I-SAR)(see under SNs 7205 and 7206) because of the greater geographical detail in the SAM. Caveat - Students: As with the Individual SAR, the SAM includes those enumerated in a communal establishment and also full-time students who were enumerated at an address that was not their usual term-time residence. For the latter there is only individual-level information on age, sex, marital status and full-time student status. It is recommended that these students are not included in any analyses as they do not form part of the usual residents population base. This dataset contains 88 variables; a version designed for imputation analysis, which contains an extra 67 imputation flag variables, is available under SN 7208. Main Topics:Accommodation type (brief)Accommodation type (detailed)Adults, Number Employed in HouseholdAdults, Number in HouseholdAgeAge of Family Reference Person (FRP)Age of Household Reference Person (HRP)Age of Students and SchoolchildrenAmenitiesArmed ForcesBath/Shower and Toilet, use ofCare (unpaid), Provision ofCare, Provision ofCarers and their Economic Activity, Number ofCars and vansCentral heatingChildrenChildren, dependentCommunal Establishment ResidentsCommunal establishment, combined type and managementConcealed familiesCountry of birthCountry of Birth (additional categories)Daytime PopulationDwelling TypeEconomic ActivityEconomic Activity of Associated People Resident in HouseholdsEconomic Activity of Full-time studentsEconomic Activity of Household Reference Person (HRP)Ethnic group (England and Wales)Ethnic group (England and Wales) of Household Reference PersonFamily compositionFamily statusFamily typeHealth, GeneralHours workedHousehold compositionHousehold composition (alternative classification)Household dependent childrenHousehold deprivationHousehold Reference Person indicatorHousehold sizeHousehold Space TypeHousehold TypeHouseholds with students away during term-timeIndustryIndustry, formerLimiting long-term illnessLimiting Long-Term Illness (LLTI), Household residents withLimiting long-Term Illness, number of people with in householdLiving arrangementsLiving arrangements of Household Reference Person (HRP)Lowest floor levelMarital statusMigration (armed forces)Migration (Communal establishment)Migration (People)Multiple ethnic identifierOccupancy RatingOccupation (brief)Occupation (detailed)Occupation, formerPensioner householdPeople aged 17 or over in household, Number ofPopulation TypePublic transport users in householdsQualifications (England and Wales)Qualifications, highest level of (England and Wales)Qualifications, professionalReligion (England and Wales)Religion (England and Wales) of Household Reference PersonResident BasisResident TypeRooms in a dwelling, number ofRooms, Number ofRooms, Persons perSexSex of Household Reference Person (HRP)Single Adult HouseholdsSocial Grade of Household Reference Person (HRP), approximatedSocial Grade, approximatedSocio-economic Classification (NS-SeC)Socio-economic Classification (NS-SeC) of Household Reference Person (HRP)Socio-economic Classification (NS-SeC) of Household Reference Person (HRP), Main categories ofStudent accommodation (Standard Output)Student accommodation TypeStudent statusTenureTenure, dwellingTime Since Last WorkedTravel to Work, distanceTravel to work, Means ofTravel to Work, Method of and Number of Employed PeopleWorking ParentsYear last worked

Previous studies of the genetic landscape of Ireland have suggested homogeneity, with population substructure undetectable using single-marker methods. Here we have harnessed the haplotype-based method fineSTRUCTURE in an Irish genome-wide SNP dataset, identifying 23 discrete genetic clusters which segregate with geographical provenance. Cluster diversity is pronounced in the west of Ireland but reduced in the east where older structure has been eroded by historical migrations. Accordingly, when populations from the neighbouring island of Britain are included, a west-east cline of Celtic-British ancestry is revealed along with a particularly striking correlation between haplotypes and geography across both islands. A strong relationship is revealed between subsets of Northern Irish and Scottish populations, where discordant genetic and geographic affinities reflect major migrations in recent centuries. Additionally, Irish genetic proximity of all Scottish samples likely reflects older strata of communication across the narrowest inter-island crossing. Using GLOBETROTTER we detected Irish admixture signals from Britain and Europe and estimated dates for events consistent with the historical migrations of the Norse-Vikings, the Anglo-Normans and the British Plantations. The influence of the former is greater than previously estimated from Y chromosome haplotypes. In all, we paint a new picture of the genetic landscape of Ireland, revealing structure which should be considered in the design of studies examining rare genetic variation and its association with traits.

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by passports held. The estimates are as at census day, 21 March 2021.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

After 'United Kingdom only', 'Ireland only', and 'United Kingdom and Ireland only', the passport held categories in this table are listed in descending numerical order within the following categories: ‘United Kingdom and another passport’, ‘Ireland and another passport’, ‘United Kingdom, Ireland and another passport’, and ‘Other only’. In each case where another passport is listed the continent is specified, followed by the country of issue for example, 'Other only: Europe: Poland'.

'EU' is the European Union and is as defined on Census day (21 March 2021).

People who indicated they have a passport from British Overseas Territories are included in 'Europe: Other non-EU countries'.

Quality assurance report can be found here

Table shows estimates of resident population by 5 year age band from the 2011 Census of England and Wales, Scotland and Northern Ireland. England Wales local authorities, counties and regions, plus districts of Scotland and Northern Ireland and total UK population are included. 1) For the 2011 Census, a usual resident of the UK is anyone who, on census day 2011, was in the UK and had stayed or intended to stay in the UK for a period of 12 months or more, or had a permanent UK address and was outside the UK and intended to be outside the UK for less than 12 months. 2) The age of a person is derived from their date of birth. It is their age in years on their last birthday up to and including census day 2011. Dates of birth that imply an age over 115 are treated as invalid and the person's age is imputed. 3) Council area boundaries as at 1 April 2011. 4) Scotland figures in this table may not add exactly because they have been rounded to the nearest hundred. 5) Scotland has not published data by 5 year bands above 80, so all people aged 80+ are included in the 80-84 age group. Sources: Table qs103ew (England and Wales) Table A1 (Scotland) Table QS104NI (Northern Ireland)

Abstract copyright UK Data Service and data collection copyright owner.BackgroundThe Labour Force Survey (LFS) is a unique source of information using international definitions of employment and unemployment and economic inactivity, together with a wide range of related topics such as occupation, training, hours of work and personal characteristics of household members aged 16 years and over. It is used to inform social, economic and employment policy. The Annual Population Survey, also held at the UK Data Archive, is derived from the LFS.The LFS was first conducted biennially from 1973-1983, then annually between 1984 and 1991, comprising a quarterly survey conducted throughout the year and a 'boost' survey in the spring quarter. From 1992 it moved to a quarterly cycle with a sample size approximately equivalent to that of the previous annual data. Northern Ireland was also included in the survey from December 1994. Further information on the background to the QLFS may be found in the documentation.The UK Data Service also holds a Secure Access version of the QLFS (see below); household datasets; two-quarter and five-quarter longitudinal datasets; LFS datasets compiled for Eurostat; and some additional annual Northern Ireland datasets.LFS DocumentationThe documentation available from the Archive to accompany LFS datasets largely consists of the latest version of each user guide volume alongside the appropriate questionnaire for the year concerned (the latest questionnaire available covers July-September 2022). Volumes are updated periodically, so users are advised to check the latest documents on the ONS Labour Force Survey - User Guidance pages before commencing analysis. This is especially important for users of older QLFS studies, where information and guidance in the user guide documents may have changed over time.LFS response to COVID-19From April 2020 to May 2022, additional non-calendar quarter LFS microdata were made available to cover the pandemic period. The first additional microdata to be released covered February to April 2020 and the final non-calendar dataset covered March-May 2022. Publication then returned to calendar quarters only. Within the additional non-calendar COVID-19 quarters, pseudonymised variables Casenop and Hserialp may contain a significant number of missing cases (set as -9). These variables may not be available in full for the additional COVID-19 datasets until the next standard calendar quarter is produced. The income weight variable, PIWT, is not available in the non-calendar quarters, although the person weight (PWT) is included. Please consult the documentation for full details.Occupation data for 2021 and 2022 data filesThe ONS has identified an issue with the collection of some occupational data in 2021 and 2022 data files in a number of their surveys. While they estimate any impacts will be small overall, this will affect the accuracy of the breakdowns of some detailed (four-digit Standard Occupational Classification (SOC)) occupations, and data derived from them. Further information can be found in the ONS article published on 11 July 2023: Revision of miscoded occupational data in the ONS Labour Force Survey, UK: January 2021 to September 2022.2024 ReweightingIn February 2024, reweighted person-level data from July-September 2022 onwards were released. Up to July-September 2023, only the person weight was updated (PWT23); the income weight remains at 2022 (PIWT22). The 2023 income weight (PIWT23) was included from the October-December 2023 quarter. Users are encouraged to read the ONS methodological note of 5 February, Impact of reweighting on Labour Force Survey key indicators: 2024, which includes important information on the 2024 reweighting exercise.End User Licence and Secure Access QLFS dataTwo versions of the QLFS are available from UKDS. One is available under the standard End User Licence (EUL) agreement, and the other is a Secure Access version. The EUL version includes country and Government Office Region geography, 3-digit Standard Occupational Classification (SOC) and 3-digit industry group for main, second and last job (from July-September 2015, 4-digit industry class is available for main job only).The Secure Access version contains more detailed variables relating to:age: single year of age, year and month of birth, age completed full-time education and age obtained highest qualification, age of oldest dependent child and age of youngest dependent childfamily unit and household: including a number of variables concerning the number of dependent children in the family according to their ages, relationship to head of household and relationship to head of familynationality and country of originfiner detail geography: including county, unitary/local authority, place of work, Nomenclature of Territorial Units for Statistics 2 (NUTS2) and NUTS3 regions, and whether lives and works in same local authority district, and other categories;health: including main health problem, and current and past health problemseducation and apprenticeship: including numbers and subjects of various qualifications and variables concerning apprenticeshipsindustry: including industry, industry class and industry group for main, second and last job, and industry made redundant fromoccupation: including 5-digit industry subclass and 4-digit SOC for main, second and last job and job made redundant fromsystem variables: including week number when interview took place and number of households at addressother additional detailed variables may also be included.The Secure Access datasets (SNs 6727 and 7674) have more restrictive access conditions than those made available under the standard EUL. Prospective users will need to gain ONS Accredited Researcher status, complete an extra application form and demonstrate to the data owners exactly why they need access to the additional variables. Users are strongly advised to first obtain the standard EUL version of the data to see if they are sufficient for their research requirements. This study was deposited in 2008, as a result of the move from seasonal to calendar quarters for the QLFS, and the reweighting process to 2007-2008 population figures. It combines data from previously-available QLFS seasonal quarter datasets. The depositor has advised that small revisions to the data may have been made during this process, but they should not be significant.For the second edition (June 2020), the variable SICMAIN was added to the data file. Main Topics:The QLFS questionnaire comprises a 'core' of questions which are included in every survey, together with some 'non-core' questions which vary from quarter to quarter.The questionnaire can be split into two main parts. The first part contains questions on the respondent's household, family structure, basic housing information and demographic details of household members. The second part contains questions covering economic activity, education and health, and also may include a few questions asked on behalf of other government departments (for example the Department for Work and Pensions and the Home Office). Until 1997, the questions on health covered mainly problems which affected the respondent's work. From that quarter onwards, the questions cover all health problems. Detailed questions on income have also been included in each quarter since 1993. The basic questionnaire is revised each year, and a new version published, along with a transitional version that details changes from the previous year's questionnaire. Four sampling frames are used. See documentation for details.

Dataset population: Daytime population aged 16 to 74

Daytime/workday population

Northern Ireland (Daytime Population)

The daytime population of an area is defined as 'All usual residents who are either in employment or full-time students in the area, or not in employment or full-time students but are usually resident in the area'. People who work or study mainly at or from home, or do not have a fixed place of work or study, are included in the area of their usual residence.

The following population groups are excluded from the daytime population of an area:

• Those living in Northern Ireland but working or studying in England, Wales, Scotland, outside the UK or on offshore installations
• Those with a place of work or study in Northern Ireland but who are not usually resident in Northern Ireland
• Short-term residents

Northern Ireland (Workplace Population)

The workplace population of an area is defined as 'All usual residents aged 16 to 74 who are in employment and whose workplace is in the area'. People who work mainly at or from home or do not have a fixed place of work are included in the area of their usual residence.

The following population groups are excluded from the workplace population of an area:

• Those not working the week before 27 March 2011
• Those living in Northern Ireland but working in England, Wales, Scotland, outside the UK or on offshore installations
• Those with a place of work in Northern Ireland but who are not usually resident in Northern Ireland
• Short-term residents

Distance travelled to place of work or study

The distance in kilometres between a person's residential postcode and their workplace postcode or the postcode of their place of study, measured in a straight line.

Derived distances that result in a distance travelled that exceeds 1200km are treated as invalid and a value is imputed. A distance travelled of 0.1km indicates that the workplace postcode is the same as the residential postcode.

For Northern Ireland, Question 43 in the Census questionnaire asked all respondents to provide information relating to where they travelled to for their main job or course of study (including school). It was anticipated from this question that those in employment would indicate where they worked and those who were studying would give information relating to their place of study. Those in neither category were expected to tick 'Not currently working or studying'.

Outputs from this question show that there were approximately 30,000 students of Primary School age to 15 who are reported as 'Studying mainly at or from home'. While it was expected that there would be a certain number of students being homeschooled, this is considerably higher than the Department of Education estimate.

The Census responses concerned were examined in an attempt to establish the reasons behind these unexpected results. In almost half of these responses, it was identified that the data processing stage which resolved 'tick and text' responses had set Question 43 to 'Work or study mainly at or from home' where the postcode of place of work or study was the same as their enumeration postcode. In the remainder, the respondents may have misunderstood the question and answered in relation to the place where they study or do homework instead of their place of study.

These two scenarios would serve to increase the number of respondents reported as 'Studying mainly at or from home' and should be noted by the user.

This dataset provides Census 2021 estimates that classify usual residents aged 16 years and over in Northern Ireland by sexual orientation. The estimates are as at census day, 21 March 2021.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

Quality assurance report can be found here.

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by ethnic group, and by broad age bands. The estimates are as at census day, 21 March 2021.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

The ethnic groups reported are those for which there was a tick-box on the census questionnaire, plus any ethnic group with more counts than the smallest tick-box.

'Age' is age at last birthday.

Quality assurance report can be found here

The 1991 Census Usual Residents Community Profiles present 25 tables containing summary characteristics of usual residents for Statistical Local Areas (SLA) in Australia.

This table contains data relating to birthplace (countries) by sex. Counts are of all persons, based on their usual place of residence; excludes Australians overseas; and excludes adjustment for under-enumeration. The data is by SLA 1991 boundaries. Periodicity: 5-Yearly.

This data is ABS data (cat. no. 2101.0 & original geographic boundary cat. no. 1261.0.30.001) used with permission from the Australian Bureau of Statistics. The tabular data was processed and supplied to AURIN by the Australian Data Archives. The cleaned, high resolution 1991 geographic boundaries are available from data.gov.au: https://data.gov.au/dataset/asgc-1991-edition-boundaries.

For more information please refer to the 1991 Census Dictionary: http://www.ausstats.abs.gov.au/ausstats/free.nsf/0/90059C6022B6EE0CCA2574BF001664A0/$File/29010_1991_210_Census%20Dictionary.pdf.

Please note:

• (a) Includes England, Scotland, Wales and Northern Ireland.
• (b) Comprises Democrat People's Republic of Korea and Republic of Korea.
• (c) Comprises USSR and the Baltic States other than Latvia and Ukraine.
• (d) Includes 'inadequately described', 'at sea' and 'not elsewhere classified'.

This dataset provides Census 2021 estimates that classify usual residents in Northern Ireland by their religion. The estimates are as at census day, 21 March 2021.

The census collected information on the usually resident population of Northern Ireland on census day (21 March 2021). Initial contact letters or questionnaire packs were delivered to every household and communal establishment, and residents were asked to complete online or return the questionnaire with information as correct on census day. Special arrangements were made to enumerate special groups such as students, members of the Travellers Community, HM Forces personnel etc. The Census Coverage Survey (an independent doorstep survey) followed between 12 May and 29 June 2021 and was used to adjust the census counts for under-enumeration.

This table reports the categories for which there are 10 or more usual residents. Where there are fewer than 10 usual residents for any category, these have been reported in a residual group which may or may not contain 10 or more usual residents in total.

'Religion' indicates religion, religious denomination or body. 'Catholic' includes those who gave their current religion as Catholic or Roman Catholic.

Quality assurance report can be found here