Which Marine Corps rank is directly below a Sergeant?

The rank directly below a Sergeant in the Marine Corps is Corporal. This position is part of the non-commissioned officer (NCO) ranks and serves as a bridge between junior enlisted personnel and senior ranks.

A Corporal typically has increased responsibilities, often mentoring newer Marines and leading small teams. The rank structure in the Marine Corps is hierarchical; therefore, it is important to understand how ranks are organized. A Lance Corporal is one level below a Corporal, followed by Private First Class and then Private, which are all lower ranks in the enlisted structure. Understanding this progression is essential when studying the Marine Corps rank system and its associated responsibilities.