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KDDI, as it is known today, resulted from a merger between KDD and IDO Corporation in 2000. Headquartered in Tokyo, the Japanese telecommunications services company offers wireless services in Japan through its au brand, which had 60 million mobile subscribers as of March 2021. KDDI also operates more than 40 data centres in 12 countries under the Telehouse brand.

Ranking position
#33 /150
Total score
47.0 /100
Measurement area Score (0-2) Rank (0-150)


#1 0.8 /2 #37


#1 0.8 /2 #32


#1 0.9 /2 #43


#1 1.2 /2 #29
Indicates the score for the top performing company.

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See results for

  1. 2020
  2. 2023

More about the company

Tokyo, Japan
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Ownership structure
Publicly listed
Fiscal year
Begins 1 April
Group revenue
US$49,755 million (FY2020)
Group employees
47,320 (FY2020)

This company is part of the SDG2000, the 2,000 most influential companies

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