This estimation is derived from the total number of vaccines distributed by the EU to its member states
(+ Norway and Iceland), which is published by the ECDC at the link below.
This estimate is calculated by using Ireland's population according to Eurostat,
as a proportion of the EU+NO+IS population.
Population of EU+NO+IS:
453,437,923
Ireland's population as a % of this:
1.0947119%
Vaccines distributed to member states
52,650,992
Estimated doses
received: 576,377
The most recent update from the ECDC indicates that Ireland has received 613,650 doses.
Source:
ECDC Vaccine Tracker