Ireland's population is estimated by the United Nations to be 5.2 million in 2023.
Ireland last conducted a national census in 2022 and 100% of births in Ireland are recorded. Read more from the World Economics Population Data Quality Ratings and see how Ireland compares to other countries around the world and in the Europe region.
Ireland's data is highlighted in the table below, use the filter and sort order options to allow easy comparison with other countries.
Data source: United Nations, Washington D.C., Eurostat, Luxembourg and World Economics Research, London