Here’s a link that lists the length of residencies in USA. Hope this helps.
EDIT: I posted the list below just in case the link does not open up.
[LIST]
[*]Emergency Medicine: 3 – 4 years
[*]Family Practice: 3 years
[*]Internal Medicine: 3 years
[*]Pediatrics: 3 years
[*]Obstetrics and Gynecology: 4 years
[*]Pathology: 4 years
[*]Psychiatry: 4 years
[*]General Surgery: 5 years
[*]Neurosurgery: 7 years
[*]Orthopedic Surgery: 5 years (includes 1 year of general surgery)
[*]Otolaryngology (ENT): 5 years
[*]Urology: 5 years (includes 1 year of general surgery)
[*]Plastic Surgery: 6 years
[*]Anesthesiology: 3 years plus PGY – 1 Transitional / Preliminary
[*]Dermatology: 3 years plus PGY -1 Transitional / Preliminary
[*]Neurology: 3 years plus PGY -1 Transitional / Preliminary
[*]Ophthalmology: 3 years plus PGY -1 Transitional / Preliminary
[*]Physical Medicine: 3-4 years
[*]Diagnostic Radiology: 4 years plus PGY -1 Transitional / Preliminary
[*]Allergy and Immunology: 3 years (Internal Medicine or Pediatrics)[*]Transitional / Preliminary: 1 year
[/LIST]Source: Washing University St. Louis ‘Length of Residencies’
