
Navy Size
Concept · Conquest · Stellaris 4.5.2
Navy Size (conquest) in the Stellaris encyclopedia: Navy Size represents the total number of Military Ships within an empire's fleet. While there is no strict limit on the size of a navy, exceeding the empire's Naval Capacity results in increased Ship Upkeep.

More in Conquest
Source: common/game_concepts (concept_navy_size) and localisation/english, Stellaris Cygnus v4.5.2 (9776).