Who has more submarines, China or the USA

Who has more submarines, China or the USA

Who has more submarines, China or the USA

So, you wanna know who's got more subs? China or the US? It's not as simple as counting hulls. As of 2024, the People's Liberation Army Navy (PLAN) – that's China – runs the biggest submarine fleet by raw numbers. But the United States Navy (USN)? They've got the tech, the power, the scary stuff. Here's the breakdown on fleet sizes, what these boats can actually do, and why it all matters.

Current Submarine Fleet Numbers: China vs. USA

The US Department of Defense's 2023 report says China has around 60 subs. That's a mix of nuclear attack boats (SSNs), nuclear ballistic missile subs (SSBNs), and a whole bunch of diesel-electric ones (SSKs). The US Navy? 68 subs. All nuclear. Fifty-three of those are attack subs – Los Angeles, Seawolf, Virginia classes. Then 14 Ohio-class ballistic missile boats, plus four converted Ohio guided missile subs (SSGNs).

So here's the thing – China has more total hulls if you count everything. But the US has way more nuclear-powered vessels. And those US boats? Newer, quieter, loaded with better sensors and weapons. It's not even close in some ways.

Why does China have so many submarines?

China's strategy is all about anti-access/area denial (A2/AD). They want to keep US ships out of their backyard – the Taiwan Strait, South China Sea. So they build cheap diesel-electric subs, lots of 'em. These things lurk in shallow waters, waiting to ambush carrier groups. Reasons behind it:

  • Cost-effectiveness: Diesel boats are dirt cheap compared to nuclear ones. China can crank out a fleet fast without breaking the bank.
  • Geographic advantage: The South and East China Seas are shallow. Diesel-electric subs can run quiet on batteries, hide in the noise, and pop up when you least expect it.
  • Industrial capacity: Chinese shipyards are pumping out 3-4 subs a year. Meanwhile, US production is slower – like 2-3 Virginia-class boats annually.

Does the USA have more nuclear submarines?

Absolutely. Every single US sub is nuclear-powered – all 68. China's only got about 12 nuke boats (6 attack, 6 ballistic missile). That gives the US some serious advantages:

  • Endurance: Nuclear subs stay underwater for months. Only food and crew morale limit 'em. Diesel boats need to surface or snorkel to charge batteries – that's when they're vulnerable.
  • Speed: Want to sprint across the Pacific? A nuke sub can do it fast. Diesel-electric? Slower, especially submerged.
  • Stealth: Modern US subs – like the Virginia-class – are whisper-quiet. Hard to detect, even for advanced sonar systems.

The US Navy's building new Columbia-class SSBNs and more Virginia-class SSNs. So that qualitative edge? It's not going anywhere for decades.

Who has the most advanced submarines?

No contest – the US leads. Virginia-class attack subs are the gold standard. They've got:

  • Advanced sonar systems: Huge bow arrays and towed arrays that can hear a fish fart from miles away.
  • Vertical launch system (VLS): Tomahawk missiles for hitting land targets. Lots of 'em.
  • Special operations capability: Dry deck shelters and lock-out chambers for SEAL teams. Sneaky stuff.

China's best is the Type 095 (Sui-class) SSN. It's maybe comparable to early US Los Angeles-class boats – from the 1970s. Still lags in noise reduction and sensor integration. Their new SSBN, the Type 096, might carry JL-3 missiles with a 10,000 km range. But we don't know if it actually works reliably yet.

Detailed Comparison Table

Metric China (PLAN) USA (USN)
Total Submarines ~60 68
Nuclear Attack (SSN) ~6 53
Ballistic Missile (SSBN) ~6 14
Diesel-Electric (SSK) ~48 0
Nuclear Powered % ~20% 100%
Global Reach Limited (mostly regional) Worldwide
Technology Level Advanced (Type 095/096) Cutting-edge (Virginia/Columbia)

Expert Insights and Strategic Implications

"The numbers game is deceptive. China has more hulls, but the U.S. has more combat power. A single Virginia-class SSN can carry 40 Tomahawk missiles and operate globally. It would take half a dozen Chinese diesel boats to match that capability." - Dr. Andrew Erickson, Professor of Strategic Studies, U.S. Naval War College

Things are shifting, though. China's building fast – maybe they'll overtake the US in total numbers within a decade. But for open-ocean fights? US subs with nuclear reactors and Mk48 torpedoes still win. In regional waters, near China? Different story – those diesel boats are a real threat.

Frequently Asked Questions (FAQ)

How many submarines does China have compared to the USA in 2024?

China's got about 60 subs. The US has 68. But China has more if you count diesel boats. US has more nuke-powered ones.

Which country has the most nuclear submarines?

The US. All 68 are nuclear. China only has about 12.

Is China's submarine fleet a threat to the U.S. Navy?

Yeah, in regional waters – like a Taiwan conflict. Those diesel subs are dangerous there. But in open oceans, US tech and global reach make it less of a worry.

How many submarines does the U.S. build per year?

About 2-3 Virginia-class subs annually. China builds 3-4, a mix of nuclear and diesel.

Checklist: Key Factors in Submarine Comparison

  • Total hull count: China leads in numbers (60 vs 68, but more diesel boats).
  • Nuclear propulsion: U.S. has 100% nuclear fleet; China has only 20%.
  • Stealth and sensors: U.S. submarines are significantly quieter and more advanced.
  • Weapons loadout: U.S. submarines carry more VLS tubes and advanced torpedoes.
  • Global reach: U.S. submarines operate worldwide; Chinese submarines are mostly regional.
  • Production rate: China builds more submarines per year (3-4 vs 2-3).
  • Future plans: U.S. is building Columbia-class SSBN; China is building Type 096 SSBN.

Short Summary

  • China has more total submarines: Approximately 60 hulls, mostly diesel-electric, compared to 68 nuclear-powered U.S. submarines.
  • USA has more nuclear submarines: 68 all-nuclear fleet vs China's 12 nuclear boats, giving the U.S. global endurance and speed.
  • Technology gap remains: U.S. submarines (Virginia-class) are quieter and more advanced than China's Type 095/096.
  • Strategic balance shifting: China's rapid production rates could lead to numerical parity within a decade, but U.S. retains qualitative edge.

Related articles

Recent articles