Blog

A medical resident and attending physician reviewing a tablet together while walking through a hospital hallway.

How Long Is Residency? (Length By Specialty)

How long is residency? It depends on your specialty. Get a full breakdown of residency lengths by specialty, plus what affects total doctor training length.

Three medical specialties represented by a lab technician holding blood samples, a doctor reviewing brain MRI scans, and surgeons operating in an OR.

All Doctor Specialties Ranked by US MD Fill Rate (2026)

We’re ranking all 22 specialties by the percentage of positions filled by US MD seniors. This is lowest to highest fill rate for US MD seniors, starting with the most accessible specialties up to the hardest.