Who had the largest Naval fleet?

As of 2023, the United States is recognized as having the largest naval fleet in the world, with a diverse array of ships including aircraft carriers, submarines, and surface combatants. The U.S. Navy's global reach and advanced technology give it a significant advantage in naval power. Other countries, such as China and Russia, also maintain substantial fleets, but the U.S. Navy remains the most powerful and capable in terms of overall operational capacity.