America Spends Billions On Its Naval Force – Does Any Other NATO Country Even Come Close?

NATO has long been known for its naval power, with a few of its member states possessing some of the largest and most sophisticated naval forces in the world. These forces also imply a significant investment of funds to build up and then maintain, but the power afforded to the alliance is more than worth it for NATO as a whole. Here, 24/7 Wall St. is exploring which countries are contributing the most to NATO’s naval power.

To identify the NATO countries with the most military ships and submarines, 24/7 Wall St. reviewed the 2025 Military Strength Ranking from Global Firepower, an annually updated defense-related statistics website with information on 145 countries. Countries were ranked on the total number of military ships and submarines in their fleet. We included supplemental information regarding submarines, aircraft carriers, helicopter carriers, destroyers, corvettes, patrol vessels, and frigates, as well as each country’s overall military strength score and defense budget. Countries with no naval vessels were excluded.

Here is a look at the countries with the largest navies in NATO:

Why Are We Covering This?

Understanding NATO’s military dynamics is important when looking at the state of global security. Since its inception, NATO has played a pivotal role in shaping international relations through its collective defense and security framework. As geopolitical tensions continue to rise and new threats emerge, knowing and understanding NATO’s military capabilities is important for getting a clearer picture of the world stage. Not to mention, countries like the United States, the United Kingdom, and Germany, among others, contribute significantly to NATO’s military strength, influencing global power balances and regional stability.

26. Slovenia

• Total naval vessels: 2
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 2
• Mine warfare vessels: 0
• Military defense budget: $886,860,000 – #91 out of 145
• Military strength score: 2.1016 – #96 out of 145

In terms of its ground forces, Slovenia has a total of 1,428 military vehicles which include 54 tanks and 18 artillery units. Slovenia has 7,300 active-duty personnel, and a total population of 2.098 million.

25. Estonia

• Total naval vessels: 8
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 4
• Mine warfare vessels: 4
• Military defense budget: $1,463,360,000 – #77 out of 145
• Military strength score: 2.2917 – #107 out of 145

In terms of its ground forces, Estonia has a total of 1,685 military vehicles which include 36 artillery units. Estonia has 7,700 active-duty personnel, and a total population of 1.194 million.

24. Belgium

• Total naval vessels: 9
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 2
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 2
• Mine warfare vessels: 5
• Military defense budget: $10,200,000,000 – #31 out of 145
• Military strength score: 1.2564 – #62 out of 145

In terms of its ground forces, Belgium has a total of 4,606 military vehicles. Belgium has 25,000 active-duty personnel, and a total population of 11.98 million.

23. Lithuania

• Total naval vessels: 14
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 7
• Mine warfare vessels: 4
• Military defense budget: $2,388,900,000 – #66 out of 145
• Military strength score: 1.9075 – #88 out of 145

In terms of its ground forces, Lithuania has a total of 1,263 military vehicles which include 75 artillery units. Lithuania has 23,000 active-duty personnel, and a total population of 2.628 million.

22. Montenegro

• Total naval vessels: 14
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 2
• Mine warfare vessels: 0
• Military defense budget: $148,100,000 – #136 out of 145
• Military strength score: 2.9216 – #127 out of 145

In terms of its ground forces, Montenegro has a total of 471 military vehicles which include 12 MLRS units and 12 artillery units. Montenegro has 2,350 active-duty personnel, and a total population of 599,849.

21. Latvia

• Total naval vessels: 18
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 11
• Mine warfare vessels: 6
• Military defense budget: $1,138,000,000 – #84 out of 145
• Military strength score: 2.1246 – #99 out of 145

In terms of its ground forces, Latvia has a total of 1,848 military vehicles which include 47 artillery units. Latvia has 17,250 active-duty personnel, and a total population of 1.801 million.

20. Albania

• Total naval vessels: 19
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 19
• Mine warfare vessels: 0
• Military defense budget: $558,862,420 – #101 out of 145
• Military strength score: 1.6815 – #78 out of 145

In terms of its ground forces, Albania has a total of 1,796 military vehicles which include 46 tanks, 135 MLRS units, and 50 artillery units. Albania has 6,600 active-duty personnel, and a total population of 3.107 million.

19. Romania

• Total naval vessels: 20
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 3
• Corvettes: 7
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 3
• Mine warfare vessels: 5
• Military defense budget: $9,700,000,000 – #33 out of 145
• Military strength score: 0.8984 – #51 out of 145

In terms of its ground forces, Romania has a total of 10,774 military vehicles which include 328 tanks, 243 MLRS units, and 720 artillery units. Romania has 81,300 active-duty personnel, and a total population of 18.15 million.

18. Croatia

• Total naval vessels: 30
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 10
• Mine warfare vessels: 1
• Military defense budget: $1,176,000,000 – #83 out of 145
• Military strength score: 1.5074 – #75 out of 145

In terms of its ground forces, Croatia has a total of 2,848 military vehicles which include 45 tanks, 42 MLRS units, and 67 artillery units. Croatia has 14,325 active-duty personnel, and a total population of 4.150 million.

17. Bulgaria

• Total naval vessels: 36
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 4
• Corvettes: 3
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 0
• Mine warfare vessels: 10
• Military defense budget: $1,373,232,000 – #80 out of 145
• Military strength score: 1.2563 – #61 out of 145

In terms of its ground forces, Bulgaria has a total of 4,914 military vehicles which include 90 tanks, 24 MLRS units, and 72 artillery units. Bulgaria has 37,000 active-duty personnel, and a total population of 6.783 million.

16. Norway

• Total naval vessels: 43
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 4
• Corvettes: 6
• Destroyers: 0
• Submarines: 6
• Patrol vessels: 18
• Mine warfare vessels: 5
• Military defense budget: $9,710,000,000 – #32 out of 145
• Military strength score: 0.6811 – #38 out of 145

In terms of its ground forces, Norway has a total of 6,552 military vehicles which include 44 tanks and 42 artillery units. Norway has 23,250 active-duty personnel, and a total population of 5.510 million.

15. Denmark

• Total naval vessels: 50
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 9
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 9
• Mine warfare vessels: 6
• Military defense budget: $7,225,466,250 – #40 out of 145
• Military strength score: 0.8109 – #45 out of 145

In terms of its ground forces, Denmark has a total of 3,856 military vehicles which include 44 tanks, 8 MLRS units, and 19 artillery units. Denmark has 20,000 active-duty personnel, and a total population of 5.973 million.

14. Germany

• Total naval vessels: 61
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 11
• Corvettes: 5
• Destroyers: 0
• Submarines: 6
• Patrol vessels: 0
• Mine warfare vessels: 12
• Military defense budget: $50,000,000,000 – #11 out of 145
• Military strength score: 0.2601 – #14 out of 145

In terms of its ground forces, Germany has a total of 83,260 military vehicles which include 296 tanks, 33 MLRS units, and 134 artillery units. Germany has 181,600 active-duty personnel, and a total population of 84.12 million.

13. Poland

• Total naval vessels: 62
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 2
• Corvettes: 2
• Destroyers: 0
• Submarines: 1
• Patrol vessels: 3
• Mine warfare vessels: 26
• Military defense budget: $48,700,000,000 – #12 out of 145
• Military strength score: 0.3776 – #22 out of 145

In terms of its ground forces, Poland has a total of 23,138 military vehicles which include 614 tanks, 196 MLRS units, and 677 artillery units. Poland has 202,100 active-duty personnel, and a total population of 38.75 million.

12. Netherlands

• Total naval vessels: 64
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 6
• Corvettes: 0
• Destroyers: 0
• Submarines: 3
• Patrol vessels: 4
• Mine warfare vessels: 4
• Military defense budget: $27,000,000,000 – #18 out of 145
• Military strength score: 0.6412 – #36 out of 145

In terms of its ground forces, the Netherlands has a total of 2,755 military vehicles which include 18 tanks, 2 MLRS units, and 46 artillery units. The Netherlands has 41,380 active-duty personnel, and a total population of 17.77 million.

11. Canada

• Total naval vessels: 73
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 12
• Corvettes: 0
• Destroyers: 0
• Submarines: 4
• Patrol vessels: 24
• Mine warfare vessels: 0
• Military defense budget: $41,000,000,000 – #15 out of 145
• Military strength score: 0.5179 – #28 out of 145

In terms of its ground forces, Canada has a total of 21,704 military vehicles which include 74 tanks. Canada has 68,000 active-duty personnel, and a total population of 38.79 million.

10. United Kingdom

• Total naval vessels: 109
• Aircraft carriers: 2
• Helicopter carriers: 0
• Frigates: 8
• Corvettes: 0
• Destroyers: 6
• Submarines: 9
• Patrol vessels: 26
• Mine warfare vessels: 7
• Military defense budget: $71,500,540,000 – #6 out of 145
• Military strength score: 0.1785 – #6 out of 145

In terms of its ground forces, the United Kingdom has a total of 38,200 military vehicles which include 227 tanks, 29 MLRS units, and 197 artillery units. The United Kingdom has 184,860 active-duty personnel, and a total population of 68.46 million.

9. France

• Total naval vessels: 129
• Aircraft carriers: 1
• Helicopter carriers: 3
• Frigates: 11
• Corvettes: 0
• Destroyers: 11
• Submarines: 9
• Patrol vessels: 20
• Mine warfare vessels: 17
• Military defense budget: $55,000,000,000 – #9 out of 145
• Military strength score: 0.1878 – #8 out of 145

In terms of its ground forces, France has a total of 110,932 military vehicles which include 215 tanks, 9 MLRS units, and 96 artillery units. France has 200,000 active-duty personnel, and a total population of 68.37 million.

8. Spain

• Total naval vessels: 152
• Aircraft carriers: 1
• Helicopter carriers: 0
• Frigates: 11
• Corvettes: 0
• Destroyers: 0
• Submarines: 2
• Patrol vessels: 22
• Mine warfare vessels: 6
• Military defense budget: $23,397,000,000 – #22 out of 145
• Military strength score: 0.3242 – #17 out of 145

In terms of its ground forces, Spain has a total of 17,626 military vehicles which include 317 tanks and 382 artillery units. Spain has 133,282 active-duty personnel, and a total population of 47.28 million.

7. Turkey

• Total naval vessels: 182
• Aircraft carriers: 0
• Helicopter carriers: 1
• Frigates: 17
• Corvettes: 9
• Destroyers: 0
• Submarines: 13
• Patrol vessels: 41
• Mine warfare vessels: 11
• Military defense budget: $47,000,000,000 – #13 out of 145
• Military strength score: 0.1902 – #9 out of 145

In terms of its ground forces, Turkey has a total of 61,173 military vehicles which include 2,238 tanks, 296 MLRS units, and 2,745 artillery units. Turkey has 355,200 active-duty personnel, and a total population of 84.12 million.

6. Greece

• Total naval vessels: 192
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 13
• Corvettes: 0
• Destroyers: 0
• Submarines: 10
• Patrol vessels: 39
• Mine warfare vessels: 7
• Military defense budget: $6,500,000,000 – #44 out of 145
• Military strength score: 0.5337 – #30 out of 145

In terms of its ground forces, Greece has a total of 61,888 military vehicles which include 1,344 tanks, 152 MLRS units, and 1287 artillery units. Greece has 142,700 active-duty personnel, and a total population of 10.46 million.

5. Portugal

• Total naval vessels: 194
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 5
• Corvettes: 2
• Destroyers: 0
• Submarines: 2
• Patrol vessels: 20
• Mine warfare vessels: 0
• Military defense budget: $4,627,000,000 – #52 out of 145
• Military strength score: 0.6856 – #39 out of 145

In terms of its ground forces, Portugal has a total of 10,828 military vehicles which include 34 tanks and 139 artillery units. Portugal has 24,000 active-duty personnel, and a total population of 10.64 million.

4. Italy

• Total naval vessels: 196
• Aircraft carriers: 2
• Helicopter carriers: 0
• Frigates: 10
• Corvettes: 0
• Destroyers: 3
• Submarines: 8
• Patrol vessels: 19
• Mine warfare vessels: 10
• Military defense budget: $30,890,000,000 – #16 out of 145
• Military strength score: 0.2164 – #10 out of 145

In terms of its ground forces, Italy has a total of 73,480 military vehicles which include 200 tanks, 21 MLRS units, and 172 artillery units. Italy has 165,500 active-duty personnel, and a total population of 60.96 million.

3. Finland

• Total naval vessels: 264
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 0
• Destroyers: 0
• Submarines: 0
• Patrol vessels: 8
• Mine warfare vessels: 18
• Military defense budget: $6,779,661,000 – #42 out of 145
• Military strength score: 0.8437 – #48 out of 145

In terms of its ground forces, Finland has a total of 11,704 military vehicles which include 200 tanks, 76 MLRS units, and 774 artillery units. Finland has 24,000 active-duty personnel, and a total population of 5.626 million.

2. Sweden

• Total naval vessels: 308
• Aircraft carriers: 0
• Helicopter carriers: 0
• Frigates: 0
• Corvettes: 7
• Destroyers: 0
• Submarines: 4
• Patrol vessels: 179
• Mine warfare vessels: 8
• Military defense budget: $13,000,000,000 – #28 out of 145
• Military strength score: 0.4835 – #27 out of 145

In terms of its ground forces, Sweden has a total of 6,795 military vehicles which include 110 tanks and 26 artillery units. Sweden has 24,400 active-duty personnel, and a total population of 10.59 million.

1. United States

• Total naval vessels: 440
• Aircraft carriers: 11
• Helicopter carriers: 9
• Frigates: 0
• Corvettes: 26
• Destroyers: 81
• Submarines: 70
• Patrol vessels: 0
• Mine warfare vessels: 8
• Military defense budget: $895,000,000,000 – #1 out of 145
• Military strength score: 0.0744 – #1 out of 145

In terms of its ground forces, the United States has a total of 391,963 military vehicles which include 4,640 tanks, 641 MLRS units, and 1,883 artillery units. The United States has 1,328,000 active-duty personnel, and a total population of 341.96 million.

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