What is the type of unemployment that occurs during the transition between jobs?

Frictional unemployment occurs when individuals are temporarily unemployed while transitioning between jobs or entering the workforce for the first time.
It is a short-term and natural form of unemployment that arises due to:
People leaving one job to search for another.
New graduates entering the job market.
Workers relocating to different regions.
Unlike structural or cyclical unemployment, frictional unemployment is not due to lack of demand or mismatch of skills—it is simply the time gap between leaving one job and finding another.
Economists often consider frictional unemployment as inevitable and even healthy, since it reflects labor mobility and opportunities for better job matches.
Therefore, the type of unemployment that occurs during the transition between jobs is Frictional Unemployment.