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Nippon Telegraph and Telephone Corporation (NTT) has been providing telecommunication services in Japan since 1869 and was established as a company in 1985. It is one of the largest fixed broadband operators with 32 million subscribers in April 2022, and another 84 million mobile subscribers. NTT also has over 160 data centre facilities in 20 countries.

Ranking position
#52 /200
Total score
44.3 /100
Measurement area Score (0-2) Rank (0-200)


0.8 /2 #51


0.6 /2 #65


1.1 /2 #41


1.2 /2 #32

Core social indicators

0.7 /2 #61
Indicates the score for the top performing company.

Leading practices

Risks and opportunities

Core Social Assessment

The core social indicators assess societal expectations of business conduct that companies should meet if they aspire to be part of a system transformation that leaves no one behind.

See results for

  1. 2020
  2. 2021

More about the company

Tokyo, Japan
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Ownership structure
Publicly listed
Fiscal year
Begins 1 April
Group revenue
US$ 110,764 millions (FY2021)
Group employees
334,000 (FY2021)
Emission data
Electricity consumption
798,000 MWh (FY2021)
Company filing name
Nippon Telegraph and Telephone Corporation

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

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