Nikkei Industry Sector
Telecommunications
Overview
Japan's telecommunications sector within the Nikkei 225 includes the country's major mobile and fixed-line carriers, which operate the digital infrastructure backbone serving both consumers and enterprises across Japan. These companies are transitioning from traditional voice and data carriers toward comprehensive digital services and IT solutions providers.
Current Trend
5G network buildout, enterprise cloud services, and AI-powered business solutions are the primary growth drivers. Japan's corporate sector—historically slow to digitize—is accelerating technology adoption under both competitive pressure and government policy support, creating significant demand for IT transformation services from carriers' enterprise divisions.
Companies in This Sector
4
Today's Avg. Price Change
-1.92%
Simple average of constituent stock price changes vs. previous close. Not a sector index.
Updated: 2026-10-23 (JST)
Position in Japan
Japan's telecommunications carriers operate in a mature domestic market with high penetration rates, where subscriber growth has largely plateaued. Government-mandated price reductions over recent years have intensified competitive pressure on consumer service margins, pushing carriers to differentiate through enterprise solutions and digital services.
Latest Press Releases
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Urban Development confirmed the formation of an ecological network in the Shinagawa-Konan area by utilizing a natural capital monitoring solution.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT DOCOMO Solutions confirms the formation of an ecological network in the Shinagawa-Konan area using its natural capital monitoring solution – promoting urban development that considers biodiversity.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT achieves a world-first: using fiber optic sensing and AI to pinpoint water pipe leak locations with the same accuracy as a skilled professional. The entire process, from measurement to AI analysis, takes approximately 15 minutes, contributing to solving challenges related to technology transfer and labor shortages.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT HumanEX launches "DX Begins! for the Construction Industry," an e-learning program for all employees that teaches the essence and overall picture of DX in the construction industry, moving it from "knowing" to "taking ownership."”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Urban Solutions Research Institute confirmed the formation of an ecological network in the Shinagawa-Konan area using a natural capital monitoring solution.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Urban Solutions confirmed the formation of an ecological network in the Shinagawa-Konan area by utilizing its natural capital monitoring solution.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Docomo Business Shinagawa Konan area confirmed the formation of an ecological network by utilizing a natural capital monitoring solution.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Shinagawa Konan area utilizes natural capital monitoring solutions to confirm the formation of an ecological network, promoting urban development that considers biodiversity.”
22
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-21 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT East Japan, Fukui Prefecture, NTT East Japan, and Intage have signed a "mutual cooperation agreement concerning the expansion of the population involved in the region."”
21
Oct
SoftBank Corp. JP3732000009
2026-10-20 SoftBank Corp. “On October 20, 2026, the era of superhuman "AI robots" will arrive. How should we confront this?”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT-AT Creative, the first in Tokushima Prefecture, receives "Platinum Elboshi Certification" – strengthening its efforts to further enhance the advancement of women.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “Fortience Consulting launches AI-powered new business launch support service for the consumer goods industry – supporting faster new business launches and improved investment decision accuracy.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT Innovative Devices is ramping up the development of mass production technology for optoelectronic integrated devices that will support next-generation AI computing. Their research and development of innovative production technology for optical chiplets has been selected for a NEDO project.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT is ramping up development of mass production technology for optoelectronic integrated devices that will support next-generation AI computing. Research and development of innovative production technology for optical chiplets has been selected for a NEDO project.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT East's "FLET'S Hikari Cross" service launch dates have been finalized for 9 prefectures – service will be rolled out sequentially from January to March 2027 to further expand its reach.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT DOCOMO begins world-first demonstration to realize coordinated control of workload shift and energy management at wireless base stations – contributing to maximizing the use of renewable energy, stabilizing the power grid, and ensuring the continuity of communication services during disasters.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT West Japan to expand service area for "FLET'S Hikari Cross" and "FLET'S Hikari Next" – Service will begin on December 21, 2026, in parts of Honai-cho, Yawatahama City, Ehime Prefecture and Tsuda-cho, Sanuki City, Kagawa Prefecture.”
21
Oct
NIPPON TELEGRAPH AND TELEPHONE CORPORATION JP3735400008
2026-10-20 NIPPON TELEGRAPH AND TELEPHONE CORPORATION “NTT begins world-first demonstration to realize coordinated control of workload shift and energy management in wireless base stations – contributing to maximizing the use of renewable energy, stabilizing power grids, and ensuring the continuity of communication services during disasters.”
20
Oct
SoftBank Corp. JP3732000009
2026-10-19 SoftBank Corp. “Supporting the mutual prosperity of Japan's content industry and AI development by October 19, 2026.”
20
Oct
SoftBank Corp. JP3732000009
2026-10-19 SoftBank Corp. “October 19, 2026: From feature phones to smartphones.”