What is the global market size of Dark Fiber Market?

Dark Fiber Market size was valued at USD 6.4 billion in 2023 and is poised to grow from USD 7.25 billion in 2024 to USD 19.69 billion by 2032, growing at a CAGR of 13.3% during the forecast period (2025-2032).

Who are the key vendors in the Global Dark Fiber Market?

Key vendors in Dark Fiber Market are: 'AT&T Inc.', 'Lumen Technologies', 'AFL Telecommunications LLC', 'CenturyLink, Inc.', 'Sterlite Technologies Limited', 'Crown Castle International Corp.', 'Consolidated Communications Holdings, Inc.', 'Dark Fiber Systems, Inc.', 'GTT Communications, Inc.', 'NTT Ltd.', 'Comcast Corporation', 'Orange S.A.', 'Zayo Group Holdings, Inc.', 'Verizon Communications Inc.', 'Colt Technology Services Group Limited'.

What is the key driver of Global Dark Fiber Market?

Deployment of 5G networks requires an extensive fiber optic infrastructure for proper functioning. Dark fiber provides low-latency, high-speed connectivity, making it a critical component in supporting 5G rollouts and ensuring seamless mobile communication. Hence, rising demand for 5G technology is also expected to bolster dark fiber market growth in the future.

What is the key market trend for Global Dark Fiber Market?

Demand for Enterprise-owned Networks: Enterprises around the world are focusing on gaining complete control over their network infrastructure, which is why they are significantly increasing their investments in development of new fiber networks. Enterprise-owned dark fiber networks are projected to feature superior performance, security, and scalability as compared to their public counterparts.

Which region accounted for the largest share in Global Dark Fiber Market?

North America is forecasted to account for a major chunk of the global dark fiber market size going forward. The presence of key dark fiber providers, robust investments in development of private network infrastructure, and high spending on military and defense are key factors aiding the dominance of this region. Growing adoption of smart technologies and launch of new smart city initiatives are also expected to create new opportunities for dark fiber providers in the future. The United States and Canada are estimated to emerge as the leading markets for dark fiber companies of this region through 2031 and beyond.

Dark Fiber Market Updates

Name: Dark Fiber Market By Type (Single-mode Fiber, Multimode Fiber), By Network Type (Metro, Long Haul), By Material (Glass, Plastic), By End User, By Region - Industry Forecast 2025-2032
Brand: SkyQuest Technology

Skyquest Technology's expert advisors continuously track and analyze the latest developments and updates related to dark fiber market. Our team of analysts stay abreast of all the recent news stories shaping the industry including new product launches by major companies, strategic partnerships, M&As, Patent filings and industry and regulatory developments.

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In June 2025, Tata Communications launched the TGN-IA2 subsea cable system, connecting Singapore, Hong Kong, and Japan. This project significantly enhances dark fiber availability and bandwidth resilience across key Asia-Pacific digital corridors. The new infrastructure supports growing regional demand for hyperscale connectivity, driven by cloud services, AI platforms, and increasing cross-border data traffic among major tech hubs.

In January 2025, Zayo announced the construction of over 5,000 route miles of new long-haul dark fiber across the U.S., including routes like Chicago–Columbus and Atlanta–Ashburn. Driven by $1 billion in AI-related demand, this initiative strengthens Zayo’s intercity fiber footprint, targeting hyperscale data centers and low-latency, high-capacity infrastructure for enterprise and cloud services across strategic corridors.

In March 2025, Colt launched a €100 million Asia-Pacific expansion across six countries, including the Philippines, Vietnam, and Malaysia. The initiative aims to deliver high-performance dark fiber and metro connectivity to underserved enterprise markets. Colt is partnering with regional providers to support SD-WAN, cloud adoption, and data-driven transformation in fast-growing Southeast Asian digital economies.

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Global Dark Fiber Market size was valued at USD 6.4 Billion in 2023 poised to grow between USD 7.25 Billion in 2024 to USD 19.69 Billion by 2032, growing at a CAGR of 13.3% in the forecast period (2025-2032).

The global dark fiber market outlook is highly competitive, with key players including Zayo Group, Lumen Technologies, AT&T, Colt Technology Services, and Verizon. Zayo focuses on expanding metro networks and long-haul routes for hyperscalers. Lumen invests in AI-optimized fiber infrastructure, while Colt emphasizes pan-European dark fiber coverage. These companies adopt strategies like acquisitions, network densification, and partnerships with data center operators to meet rising demand for scalable, high-speed connectivity.'Zayo Group (USA)', 'Lumen Technologies (USA)', 'AT&T Inc. (USA)', 'Verizon Communications Inc. (USA)', 'Crown Castle Inc. (USA)', 'Colt Technology Services (United Kingdom)', 'euNetworks (Germany)', 'BT Group plc (United Kingdom)', 'Vodafone Group plc (United Kingdom)', 'Orange S.A. (France)', 'Deutsche Telekom AG (Germany)', 'NTT Communications Corporation (Japan)', 'China Telecom Corporation Limited (China)', 'Tata Communications (India)', 'Telstra Corporation Limited (Australia)'

The global rollout of 5G networks is significantly driving the global dark fiber market growth, as telecom operators require high-capacity, low-latency infrastructure for backhaul. Dark fiber enables flexible, scalable connections between cell sites and data centers, supporting massive bandwidth demands, edge computing, and real-time applications critical to next-generation mobile and enterprise services.

Convergence of Fiber and 5G Backhaul Networks: Dark fiber is increasingly essential for 5G backhaul, connecting small cells and distributed units with low-latency, high-bandwidth links. Telecom operators are expanding metro fiber routes to support dense 5G rollouts, enabling faster data transfer and real-time connectivity, especially in urban areas with growing mobile and edge computing demands.

What makes North America a Leader in Metro Dark Fiber Deployment?

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FAQs

What is the global market size of Dark Fiber Market?

Who are the key vendors in the Dark Fiber Market?

What is the key driver of Dark Fiber Market?

What is the key market trend for Dark Fiber Market?

Which region accounted for the largest share in Dark Fiber Market?

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