The precise figure is 220,700 (not exactly 220,000), referring to data at the end of 2022
The data refers to 'cancer patients or former cancer patients' alive at a specific point in time (end of 2022), which is the standard definition of cancer prevalence
More recent data for 2023-2024 may be available but the 2022 figure represents the most recent comprehensive annual statistics published by the National Cancer Registry of Ireland