Jobs can be stressful either because of the physical demands placed on the worker or the psychological demands incurred. Some of the most stressful jobs include:
1. Firefighter (median salary $45,600)
2. Military (median salary $28,840)
3. Pilot (median salary $98,410)
4. Police Officer (median salary $56,980)
5. Actor (median salary $46,070
6. Broadcaster (median salary $60,070)
7. Event Coordinator (median salary $45,810)

References:
1. http://www.careercast.com/jobs-rated/most-stressful-jobs-2015
2. http://www.forbes.com/sites/susanadams/2015/01/07/the-most-stressful-jobs-of-2015/
Infographic: http://www.businessinsider.com/the-most-stressful-jobs-on-the-planet-picture-2011-2