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Forecasting the Next 10 Years of Submarine Cable Investment and Kilometers
If you’ve followed our work at TeleGeography for any length of time, you know we spend a lot of time...

As the backbone of the digital economy, submarine cables carry nearly all intercontinental data and require significant investment to maintain.
So how do we understand and address the challenges facing the maintenance sector?
This landmark report, by Mike Constable of Infra-Analytics and TeleGeography’s Lane Burdette and Alan Mauldin, provides context and insights for industry professionals, government policymakers, and other stakeholders to understand further the significance of this critical sector and its role in ensuring the security and resilience of submarine digital infrastructure.
Topics include:
This study was finalized in 2025. You can access the most up-to-date forecasted data for kilometers of new and retiring submarine cables with a subscription to our Transport Networks Research Service. These forecasts extend for 10 years and are updated annually.
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