Subject	Engineering
Specific subject area	Passenger transport demand and CO2 emissions in Ireland
Type of data	Table Chart Figure
How the data were acquired	•National transport survey data gathered from Central statistics office (CSO) [3] •Information from the Irish Car Stock Model V 2.4 on an online repository [4] •Calculations as mentioned in the Data in Brief's reference paper and outlined in further detail in Experimental design, materials, and methods equations: Eqs. (1)–(10).
Data format	Raw Analyzed
Description of data collection	•Irish Car Stock Model, retrieved from an online repository [4], referred to in a Data in Brief [5] that provides technological stock data of car characteristics such as stock, mileage, and energy consumption per kilometre. •Population data made available from Eurostat [6] •National Travel Survey Data is available from the Central Statistics Office [3]
Data source location	Raw data sources used: National Travel Survey 2009, 2012, 2013, 2014, 2016 and 2019, available online at: https://www.cso.ie/en/statistics/ Sustainable Energy Authority of Ireland conversion rates, available online at: https://www.seai.ie/data-and-insights/seai-statistics/conversion-factors/ Irish Car Stock Model V2.4, available online at: https://zenodo.org/record/4651477#.YjD5fXrMKUk
Data accessibility	•Data is provided with this article in the following formats: Irish Passenger Transport Emissions and Mobility Model (IPTEM V2.9) is available on open-source repository Zenodo.Repository name: ZenodoData identification number: 10.5281/zenodo.6359991Direct URL to the data: 10.5281/zenodo.6359991
Related research article	V. O'Riordan, F. Rogan, B. Ó Gallachóir, T. Mac Uidhir, H. Daly, How and why we travel – Mobility demand and emissions from passenger transport, Transp. Res. Part D Transp. Environ. 104 (2022). 10.1016/j.trd.2022.103195.