Top 20 Countries With The Largest Military Submarine Fleets 2023

Which country has the largest military submarine fleet in the world?.

Here is the list of the top 20 countries in the world today, which have the largest military fleet in the world.

A fleet submarine is a submarine with the speed, range, and endurance to operate as part of a navy’s battle fleet. 

In the world today, different countries have different strengths on submarine fleets.

Below is the list of the top 20 countries from different continents globally that have the most submarine fleets.

Ranked by how many fleets each country has, according to Global Firepower, these are the world’s largest military submarine fleets by country.

China currently has the largest military submarine fleet in the world followed by the United States of America.

Largest Military Submarine Fleet By Country:

1. China 🇨🇳  – 79
2. United States 🇺🇸 – 68
3. Russia 🇷🇺  – 64
4. North Korea – 36
5. Iran 🇮🇷  – 29
6. South Korea – 22
7. Japan 🇯🇵  – 20
8. India 🇮🇳  – 17
9. Turkey 🇹🇷  – 12
10. Colombia 🇨🇴, Greece 🇬🇷, United Kingdom 🇬🇧  (tie) – 11

Countries With The Largest Military Submarine Fleets (IISS):

1. North Korea – 71
2. United States 🇺🇸 – 68
3. China 🇨🇳 – 59
4. Russia 🇷🇺 – 49
5. Japan 🇯🇵 – 22
6. South Korea – 18
7. Iran 🇮🇷 – 17
8. India 🇮🇳 – 16
9. Turkey 🇹🇷 – 12
10. Greece 🇬🇷, United Kingdom 🇬🇧 (tie) – 11