Facebook users in Ireland
There were 4 018 600 Facebook users in Ireland in September 2025, which accounted for 77.6% of its entire population.
The majority of them were women - 54.1%.
People aged 25 to 34 were the largest user group (1 080 000).
The highest difference between men and women occurs within people aged 45 to 54, where women lead by 306 100.