This publication is categorised as a CSO Frontier Series Output. Particular care must be taken when interpreting the statistics in this release as it may use new methods which are under development and/or data sources which may be incomplete, for example new administrative data sources.
This publication is based on PPSN allocation and welfare data from the Department of Social Protection (DSP) up to the week ending 05 June 2022 as well as data on school enrolments from the Department of Education (DoE) as of 07 June 2022.
Before using personal administrative data for statistical purposes, the CSO removes all identifying personal information. This includes 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. 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.
Using the PIK 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.
The Central Statistics Office (CSO) uses data on PPSN allocations, welfare payments and school enrolments of arrivals from Ukraine, utilising pseudonymised Protected Identifier Keys (PIKs). The data is received as a weekly extract from DSP and DES. Note that data for the most recent weeks in particular is subject to change as more data becomes available.
Primary Pupils Database (POD)
Contains data on each student from Ukraine enrolled in each recognised primary school collected by DoE.
Post-Primary Pupils Database (PPPDB)
The Post-Primary Pupil Database is currently the only national archive of student enrolment at post-primary schools. Individual and personal data on each student enrolled from Ukraine in each recognised post-primary school are collected by DoE.
Note that data on enrolments may not be directly comparable to data published elsewhere as extracted at different points in time.
Local Electoral Areas (LEAs) are assigned through geocoding of post office addresses and was undertaken within the CSO. The location of the post office where the latest welfare payment was issued was utilized as a proxy for place of residence for this release. Hence the place of residence allocation is indicative and care should be taken when interpreting the location data presented.
The rate of Ukraine arrivals among the resident population was calculated as the number of arrivals from Ukraine in an LEA divided by the de facto Census 2016 population in the same LEA.
Arrivals from Ukraine may be Ukrainian or third country nationals. A 3rd country national is a person from a country other than Ukraine, who benefitted from international protection or equivalent national protection in Ukraine before 24 February 2022 and who have been displaced from Ukraine on or after 24 February 2022, and their family members. In case of dual nationals, only a single nationality is recorded. Dual nationals with EU citizenship may have entered Ireland independently (not under the Temporary Protection Directive) and would not be counted as a Ukrainian arrival in this release.
Arrivals from Ukraine may claim child benefit for dependent children as well as working age income supports such as job seekers allowance or basic supplementary allowance. An active welfare claim was identified as awarded and in payment around the date of the release of this publication.
An experimental methodology was derived to determine relationships between arrivals. Relationships to persons who did not arrive under the Temporary Protection Directive - for example persons already resident in Ireland, or persons such as spouses remaining in Ukraine, are excluded. Note that the main reason for DSP to capture relationship information is to determine the number of children or adults eligible for additional allowances connected with the primary welfare claim, and therefore the relationship groups derived in this publication do not identify distinct family units.
