Countries ranked by the number of active military submarines in service in 2025 according to Global Firepower and IISS Military Balance data. The United States and Russia operate the world's largest submarine forces, though China has been r...
About: Countries with the Largest Active Submarine Fleets 2025
Overview of the data behind this chart
Countries ranked by the number of active military submarines in service in 2025 according to Global Firepower and IISS Military Balance data. The United States and Russia operate the world's largest submarine forces, though China has been rapidly expanding its submarine fleet as part of broader naval modernisation. AI-assisted data.
Key Findings
Auto-computed highlights from this dataset
🏆
China leads with 79 in 2025.
📊
Average value in 2025: 42 · median: 33.
↔️
Gap in 2025: China is 4.4× larger than India.
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Countries with the Largest Active Submarine Fleets 2025
Data Insights
Numbers, trends & sources behind this chart⬡
Data Points
8
8 categories
·
1 year
↑
Top Value
79
China
Active Military Submarines · 2025
◈
Metrics
1
Active Military Submarines
◷
Period
2025
Single year snapshot
Category Rankings
Ranked by 2025 value · vs. 2025| # | Category | 2025 | 2025 | Change |
|---|---|---|---|---|
| 🥇 | China | 79 | 79 | +0% |
| 🥈 | United States | 68 | 68 | +0% |
| 🥉 | Russia | 64 | 64 | +0% |
| 4 | North Korea | 36 | 36 | +0% |
| 5 | Iran | 29 | 29 | +0% |
| 6 | South Korea | 22 | 22 | +0% |
| 7 | Japan | 22 | 22 | +0% |
| 8 | India | 18 | 18 | +0% |
Statistical Summary — 2025
79
Maximum
18
Minimum
42
Average
33
Median
What This Data Shows
Auto-generated trend summaries per category
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Full Data Table
8 records across 1 yearData Sources & References
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