About Issue 55:

Welcome to the 55th edition of SubTel Forum’s Submarine Cable Almanac, your essential guide to the world of submarine cable systems. Since its launch as a quarterly publication in 2011, the Almanac has become a trusted reference, offering a snapshot of over 450 current and planned domestic and international systems. This issue includes 4 newly added systems and 8 updated systems, providing readers with the latest, most accurate data available.

This edition organizes cable systems by Supplier, offering a fresh perspective on industry dynamics. By grouping systems by their suppliers, the Almanac highlights market activity, supplier diversity, and evolving infrastructure patterns across the globe.

We extend our appreciation to WFN Strategies for exclusively sponsoring this issue and supporting ongoing research and analysis. Learn more about them here: WFN Strategies Website

Updates? Contact Kieran Clark at [email protected].

Next Issue November 2025

About the Almanac

Your Guide to Submarine Cable Systems

The Submarine Telecoms Cable Almanac is a meticulously crafted reference, offering a comprehensive snapshot of over 500 current and planned domestic and international submarine cable systems. More than just raw data, it provides in-depth analysis, trends, and insights, making it an essential tool for industry professionals, researchers, and those curious about the undersea world of cables.

How the Almanac is Created

Our data-driven approach ensures the Almanac remains accurate and up to date. We continuously gather information from public, commercial, and scientific sources while leveraging our proprietary Submarine Cable Database. Through expert interviews and ArcGIS Pro mapping, we provide visually consistent representations of global submarine cable infrastructure.

Advertise in the Almanac

Looking to reach a specialized audience in the submarine cable industry? The Almanac provides a unique platform for advertisers to connect with key decision-makers and industry leaders. With various advertising options tailored to your needs, we can help you achieve your marketing goals. Contact us today to explore advertising opportunities.