Ireland’s Central Statistics Office (CSO) released Irish Population Estimates from Administrative Data Sources (IPEADS), 2022 on Monday, June 24.
The total population in Ireland in April 2022, based on administrative data, was 5.33 million, the CSO said.
However, the findings in the new research paper should be "interpreted with caution and are not comparable with official CSO population estimates such as Census data," one CSO statistician noted.
“This research paper, as the third iteration of Irish Population Estimates from Administrative Data Sources (IPEADS), continues to demonstrate the policy-relevant research projects the CSO is developing as part of its leadership role in the National Data Ecosystem," Cathal Doherty, Statistician in the Life Events and Demography Section, said.
“While serving primarily as a means of demonstrating the potential of administrative data for delivering new classes of statistical products, IPEADS also demonstrates an evolving platform for the development of population estimates.
“As part of the CSO's Frontier Series that uses experimental methodology, it must also be emphasised that IPEADS' estimates must be interpreted with caution and are not comparable with official CSO population estimates such as Census data."
Indeed, data from Ireland's Census 2022 found that the population of the country was 5.1 million.
Total population based on administrative data was 5.33 million in 2022https://t.co/9VPRG9Re1r#CSOIreland #Ireland #Population #PopulationEstimates #Migration #MigrationEstimates pic.twitter.com/bYkV1QDshj
— Central Statistics Office Ireland (@CSOIreland) June 24, 2024
The CSO said that its new IPEADS publication attempts to count the ‘usually resident’ population of Ireland in April 2022.
For someone to be usually resident in Ireland in April 2022, they will have lived in the country for a continuous period of at least 12 months, including April 2022.
The experimental methodology found that the split between the male and female population in Ireland in 2022 was an even 50% each.
The CSO noted that the age structure of the population reflects the impact of changing birth rate and migration patterns over recent decades.
The average age of the population in Ireland is estimated to be 38.3 years in 2022, and nearly 15% of the administrative population in Ireland was 65 years or older.
Fingal recorded the youngest population at 35.9, followed by Meath at 36.3.
Dún Laoghaire (40.4), Kerry (40.1), and Mayo (40.1) have the oldest populations.
At 38.8, the average age for women was one year older than men who had an average age of 37.8. When examined by sex, the average age for women is higher in all county and city administrative areas.
Explaining its methodology, the CSO said that before using personal administrative data for statistical purposes, it removes all identifying personal information. This includes name, address, the Personal Public Service Number (PPSN), a unique number used by people in Ireland to access social welfare benefits, personal taxation, and other public services, and the Eircode, a unique geographical code identifying the location of every dwelling in the state.
A pseudonymised Protected Identifier Key (PIK) is created by the CSO when the PPSN is removed. This PIK is unique and non-identifiable and is only used by the CSO. A similar PIK is created when the Eircodes are removed from a persons records.
Using these PIKs enables the CSO to link and analyse data for statistical purposes, while protecting the security and confidentiality of the individual data. All records in the matched datasets are pseudonymised and the results are in the form of statistical aggregates which do not identify any individuals.
Children included in IPEADS are collected based on data from Child Benefit (CB), Primary Online Database (POD), Post-Primary Online Database (P-POD), and Primary Care Reimbursement Service (PCRS – GMS).
Students included in IPEADS are collected based on data from the Higher Education Authority (HEA), Programme Learner Support System (PLSS), Quality and Qualifications Ireland (QQI), Student Universal Support Ireland (SUSI), and HEA Springboard.
Employees, pensioners, and persons in receipt of welfare payments included in IPEADS are collected based on data DSP Payments (DSP) and PAYE Modernisation (PMOD).
Self-employed persons included in IPEADS are collected based on data from Form 11 Income Tax returns (ITForm11).
The Residential Tenancies Board (RTB) Register, Local Property Tax (LPT), and Central Records System (CRS) are used to assign geography and other attribute variables.
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