In a world where naval power plays a crucial role in a nation's global influence, having a robust submarine force is essential. However, some countries lag behind in this aspect, leaving their waterways open to attacks, intelligence lapses, and strategic disadvantages. According to Global Firepower, Venezuela tops the list of countries with the least submarines in 2025, followed closely by Poland, Spain, Portugal, and Malaysia.

The absence of submarines significantly diminishes a country's naval power, making it vulnerable to foreign espionage, unexpected attacks, and ineffective defense against underwater dangers. Ballistic missile submarines (SSBNs) with nuclear propulsion are a critical component of a country's second-strike capabilities, and without them, rivals may attack without worrying about reprisal from concealed submerged assets, making a nation more vulnerable to nuclear attacks.

Moreover, the lack of submarines hinders intelligence activities, as modern submarines are equipped with advanced sonar, radar, and electronic warfare gear, enabling governments to monitor enemy activity discreetly. Without these capabilities, a country is left blind in crucial maritime zones, raising the possibility of undiscovered enemy operations or unexpected naval blockades.

Another significant disadvantage is the inability to properly combat enemy submarines. Attack submarines equipped with torpedoes and anti-submarine missiles are required to counter undersea threats. The absence of these assets leaves a country's defense vulnerable to underwater attacks.

Beyond military difficulties, a shortage of submarines also impedes scientific and economic advancement. Submarines play a crucial role in deep-sea exploration, ocean floor mapping, and undersea resource discoveries. Countries without them lag in marine research, reducing their capacity to exploit important seabed resources.

In an era where naval might determines global influence, a country without a robust submarine force is at a significant disadvantage. It exposes its seas to foreign control, impairs its defensive measures, and lowers its stature in international security matters. The top 10 countries with the least submarines in 2025, according to Global Firepower, are:

1. Venezuela - 1 submarine

2. Poland - 1 submarine

3. Spain - 2 submarines

4. Portugal - 2 submarines

5. Malaysia - 2 submarines

6. Ecuador - 2 submarines

7. Bangladesh - 2 submarines

8. Argentina - 2 submarines

9. South Africa - 3 submarines

10. Netherlands - 3 submarines

This list highlights the vulnerabilities of these countries in naval combat, intelligence gathering, and national security, emphasizing the importance of investing in submarine technology to maintain a strong naval presence.