They also have a mandatory retirement age (56) and afaik, a lot of the more seasoned ATCs are getting near that age. Article from 2014 that touches on this, and

They also have a mandatory retirement age (56) and afaik, a lot of the more seasoned ATCs are getting near that age. Article from 2014 that touches on this, and goes into more depth about some reasoning. https://www.cnbc.com/2014/12/15/blame-the-faa-for-air-traffic-controller-shortage-retirement-commnentary.html https://www.cnbc.com/2014/12/15/blame-the-faa-for-air-traffi...