Over 4,500 HSE staff under the age of 40 quit the organisation last year.
According to freedom of information figures, it's an increase of 12% on 2021.
A total of 10,162 HSE staff resigned or retired from the organisation last year - a 15% increase on 2021.
There was also an increase in the number of people leaving the organisation long before reaching retirement age.
2,173 people under 30 quit last year - up 39.
2,368 people aged between 30 and 40 left - up 436.
1,675 people aged between 40 and 50 resigned or retired - an increase of 326.
More than 6,200 HSE staff under the age of 50 resigned or retired in 2022.
These totals are up significantly on 2020 when a total of 7,413 HSE staff left the organisation.
