It also covers any assistance the CSO may give to other public authorities to enable them to link data holdings under their control for statistical purposes.
The tables below detail CSO Divisions engaged in data matching, datasets matched and outputs obtained. This table will be updated quarterly.
| CSO Dataset Matched |
Non-CSODataset Matched |
Reason |
Frequency |
Statistical Outputs Obtained |
None |
Department of Education's Post-Primary Pupil Database; extract from Department of Social and Family Affairs with details of those claiming Disability Allowance |
To conduct a statistical investigation into a possible relationship between claiming DA and leaving school early |
2006 |
Statistical tables |
| None |
DSFA CRS; DSFA file of new Disability Allowance (DA) claimants in 2005 |
Statistical analysis of the reasons for the increased takeup of DA |
One-off |
Tabular reports |
| None |
DSFA CRS; P35 file from Revenue Commissioners; CSO Central Business Register |
To investigate the extent to which foreign nationals engaged with and remained in employment |
Annual |
CSO Statistical release; other aggregate tables |
| None |
PRTB Registered tenants; Revenue Commissioners P35 file and list of rent relief claimants; DSFA CRS and list of rent supplement claimants |
To provide an analysis of PRTB tenants, and of tenants who do not claim rent relief |
One-off |
Statistical Tables |
| Business Register |
CRO data primarily relating to company ownership and company accounts |
Enhace the usefulness of the CRO data by classifying the records by economic activity |
Occasional |
Improved economic statistics |
Business Register |
Revenue - VAT; PREM (employer registrations); Income Tax; Corporation Tax; P35 files |
Update CSO register |
Quarterly and annual |
Improved CSO business register |
| Business Register |
File from Geological Survey of Ireland |
To examine inconsistencies in CSO Prodcom file and Geological Survey of Ireland file for enterprise engaged in quarrying |
2005 |
Inconsistencies in different sources examine |
| Business Register |
Revenue Corporation Tax file. |
To examine the possibility of using Revenue Corporation Tax data for the CSO |
2005 |
Additional data for the CSO Census of Industrial Production |
| Business Register |
Revenue VIMA (Trade) file |
Improved coverage of CSO business register |
2005 |
Improved CSO business register |
| Business Register |
Companies Registration Office registration file |
Improve the quality of the CSO business register |
Monthly |
Improved CSO business register |
| Business Register |
Environmental Protection Agency file |
To assign NACE codes to EPA records |
2005 |
NACE codes assigned to Environmental Protection Agency records |
| CSO Business Register |
Forfas register of businesses |
To assign NACE business activity codes to the Forfas records, in line with the Statistics Act, 1993 |
One-off |
Improved statistical information from the Forfas register of businesses |
| Business Register |
CRO file containing most recent Annual Return |
Help fulfill European requirements and also help with sampling |
Continuous |
Improved quality business register as a basis for statistical surveys, etc. |
| CSO Business Register |
GEO Directory |
Improve location of Enterprise |
Continuous |
Improved quality business register as a basis for statistical surveys, etc. |
| Business Register |
EuroGroups Register |
Contribute to the setup and maintenance of the EuroGroups Register as required under EU law. |
Continuous |
Improved quality of statistical outputs that are affected by multinational groups, e.g. FD statistics, Outward FATS, Inward FATS. |
| National Disability Survey file |
DSFA register of recipients of Disability Allowance |
To provide statistical profile of those in receipt of Disability Allowance |
One-off |
Statistical Tables |
| None |
Pensions Board PRSA file; the DSFA income file |
To estimate the proportion of a person's income used to contribute to PRSAs |
Occasional |
A report was presented to the Pensions Board |
| None |
Revenue Commisssioners' SSIA file; DSFA Income file |
Gender analysis of SSIAs |
Annual |
A gender table was included in Women and Men in Ireland |
| CSO Dataset Matched |
Non-CSO Dataset Matched |
Reason |
Frequency |
Statistical Outputs Obtained |
None |
Revenue Commissioners, Employer/employee file; DSFA files containing nationality by PPSN |
To identify employers employing more than 15 non-national employees registered after 1999 |
2006 |
Census Regional Supervisors alerted about employers in their own area with significant numbers of Non-National employees with a view to targeting foreign language publicity materials |
| Census of Population 2006 |
An Post's GeoDirectory |
To put place of work coordinates on the Census file |
One-off |
Detailed census statistics at atomic small area level; better statistical information on travel to work; improved data collection for Census 2011 |
| Census of Population 2006 |
General Register Office (GRO) data on mortality |
To match mortality data for the year following Census 2006 against Census 2006 data, with the intention of analysing mortality statistics against Census variables such as ethnicity, disability, level of education, and occupation. |
One-off |
Improved statistical information on mortality |
| CSO Dataset Matched |
Non-CSO Dataset Matched |
Reason |
Frequency |
Statistical Outputs Obtained |
| None |
DSFA and Revenue data files (one file containing data from both departments is received) |
To publish gender and age-based income statistics and to prepare a more detailed income statistics report. To provide data to other CSO business Divisions on income and for register maintenance. Income is defined as income liable for social insurance. |
Annual |
Gender tables were published in Women and Men in Ireland and in Ageing in Ireland. The data were also used in the pensions and SSIA projects, and to provide county income estimates for CSO National Accounts and register data for Business Register Divisions. |
| None |
DETE work permits; Department of Justice immigration administrative data files; DSFA incomes file with nationality; Revenue employer file with nationality; DSFA PPSN nationality file. |
To examine producing a new immigration statistics release based on existing administrative data |
Annual |
Project is still in the early stages |
None |
Department of Arts, Sports and Tourism capital sports grants data files; Irish Sports Council national governing body and carding schemes. |
To produce a new sports statistics release based on existing administrative sports data. |
Annual |
A draft release has been prepared. |
| None |
General Medical Services Payments Board drugs payment files (GMS, LTI and DPS). |
Three files have been obtained. A person may be present in more than one of these files. The CSO involvement is to remove instances of such repetition and to produce an anonymised integrated file for analysis of the incidence of epilepsy. |
2006 |
Files have been obtained and CSO matching has to be performed. The files received are already effectively anonymised as they only contain a person's initials. CSO will remove all personal data from the file before completing the matching. |
| None |
Post Primary Pupil Database and DS&FA's Client Record System |
To establish the nationality of post-primary pupils |
2008 |
Nationality statistics of post-primary pupils |
| CSO Dataset Matched |
Non-CSO Dataset Matched |
Reason |
Frequency |
Statistical Outputs Obtained |
Business Register; Balance of Payments; Census of Industrial Production; Annual Services Inquiry |
Revenue Corporation Tax files |
Examine consistency between Revenue profits data and relevant data from CSO surveys; derive additional NA variables |
Annual |
Improved estimates for NA variables (mainly profits) |
| Datasets derived from above |
List of financial businesses from the Financial Regulator (formerly IFSRA) and the office of Consumer Affairs |
Achieve improvement in NA register of financial businesses |
Annual from 2005 |
Improve estimates for NA variables |
| Business Register |
Revenue Commissioners P35 file and DSFA CRS files |
To obtain county based average income data |
Annual |
To produce regional accounts and county household income |
| CSO Dataset Matched |
Non-CSO Dataset Matched |
Reason |
Frequency |
Statistical Outputs Obtained |
Business Register |
Forfas's Community Innovation Survey 2002-2004 |
To assign business activity codes to the Forfas data |
One-off |
Calculation of grossing factors enabled |
Census of Industrial Production |
EPA Verified Emission Trading Data |
To compile statistical information on enterprises that are part of the Emissions Trading system |
One-off |
Tabular statistics on EPA licence holders |
National Employment Survey (NES) employee data |
DSFA CRS |
To check the quality of the NES data; to enhance the statistical results available; and to evaluate the possibility of dropping variables from future NES surveys |
Annual |
Greater statistical accuracy; enhanced statistical analysis |
