Almost three quarters of the top 1% of earners in Ireland last year were male, according to figures released by the Central Statistics Office (CSO).
The figures indicate an almost even split between those in active employment in Ireland, with 51.3% male and 48.7% female.
But in the category of the top 10% of earners, 70.3% were male and 29.7% were female.
Of those with earnings in the top 1%, 74.8% were male and 25.2% were female.
The median annual earnings by gender, meaning the number in the middle of the data set, was 45,537 euro a year for males and 37,782 euro a year for females.
For those within the top 10% of earnings, 121,426 euro was the median earning for male earners and 115,950 euro was the median earnings for female earners.
For those within the top 1% of earnings, the median earnings were 285,672 euro for men and 277,613 euro for women.
The median annual earnings by county were highest in Dublin at 46,136 euro a year, lowest in Donegal at 33,523 euro, with an average of 41,823 euro nationally.
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