There were 34,844 deaths in 2021 across Ireland with Clontarf, Dublin 3, having the highest proportion at 1.5% or 528 deaths, CSO data shows.

Across the entire population in 2021, Belmullet, Co Mayo had the highest average age at 43.2 years, while Tallaght south, south Dublin and Blanchardstown-Mulhuddart, Fingal had the joint lowest at 31.4 years.

Belmullet, Co Mayo was also the Local Electoral Area (LEA) with the highest crude death rate per 100,000 at 1,324, while Blanchardstown-Mulhuddart, Fingal recorded the lowest at 214.8.

Ballyfermot-Drimnagh, Dublin city (880.5) had the highest age standardised death rate per 100,000 in 2021, while Leixlip, Co Kildare (340.5) had the lowest.

Circulatory disease

In terms of cause of death, Castleisland, Co Kerry had the highest crude death rate of diseases of the circulatory system at 368.0 per 100,000, while Blanchardstown-Mulhuddart, Fingal had the lowest at 48.7.

In 2021, while nationally the crude death per 100,000 of COVID-19 deaths stood at 60.2, Belmullet, Co Mayo (197.1), Dundalk-Carlingford, Co Louth (135.8), and Cork city north west (129.0) experienced the highest rates at LEA level.

While just over 4.5% of deaths which occurred nationally in 2021 were due to external causes such as accidents, suicides, assaults, and other external factors, in LEAs such as Galway city east, (11.3%), south east inner city, Dublin (10.8%), north inner city, Dublin (10.5%), Clane, Kildare (10.3%), and Ongar, Fingal (10.1%) this cause of death accounted for one in ten deaths.