Technology, Internet & Money
How many kilometers of submarine fiber-optic cable are in service across the world's ocean floors as of early 2026 (1 km ≈ 0.6 mi)?
Answer
1,500,000 km
That's enough cable to wrap the Earth about 37 times, and it carries nearly all intercontinental internet traffic — satellites account for well under 1% of international capacity.
Source: TeleGeography Submarine Cable FAQ
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