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Japan cuts its corporate governance code to 30 provisions to push boards toward growth

Japan has cut its Corporate Governance Code from 83 provisions to 30 in a 2026 revision, the Tokyo Stock Exchange's Haruyuki Yamashita wrote. The shorter, principles-based text puts more weight on how boards explain their allocation of management resources for growth.

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What happened

  • The 2026 text adds a new preamble reaffirming the purpose and underlying spirit of the original code.
  • Japan adopted its first Corporate Governance Code in 2015, starting from the goal of raising earning power under the Abe government's revitalization strategy.
  • The code was revised in 2018 with expanded provisions on cross-shareholdings, and again in 2021 alongside the Tokyo Stock Exchange's market restructuring.
  • The 2021 round required Prime Market companies to give at least one-third of board seats to independent outside directors and to set up nomination and compensation committees.

Why it matters

  • constraint A tally of compliance across 30 broad principles tells investors and partners less than a tally across 83 did, so the written explanations become the evidence they have to weigh.
  • decision Directors have to settle how they will show, in terms shareholders can check, that management resources are going to growth, since the exchange's own official names that as the theme.
  • exposure Companies with a thin growth case become easier for institutional investors to press, because the code treats shareholder dialogue as an important means to its aims.

The revision removes 53 provisions [14], about 64 percent of the code [15]. Tokyo Stock Exchange rules, including Rule 436-3 of its Securities Listing Regulations, still require listed companies to follow the code [9]. The code has always worked on comply-or-explain: a company either complies with each principle or explains why it does not [10].

This account comes from the exchange itself. Haruyuki Yamashita, head of policy engagement at the TSE's New York office, wrote that the code was streamlined and made more principles-based to encourage more substantive corporate action [1][3]. In my view, that moves the effort to a different part of comply-or-explain. A narrow provision can be met with a yes in a governance report. A broad principle about how resources are used is harder to satisfy with a yes alone, so investors reading the report end up judging the explanation. Yamashita wrote that the theme best capturing this revision is the appropriate allocation of management resources for growth [5].

The code is nearly two-thirds shorter [15], and its stated purpose covers "defensive governance," such as containing risk and preventing misconduct [7]. It also covers "growth-oriented governance," meant to encourage sound entrepreneurship and stronger earning power [7]. Both serve the "sustainable growth of listed companies and the enhancement of corporate value over the mid- to long-term" [7]. Yamashita wrote that the revision seeks to take the original goal of strengthening earning power "to the next stage" [6].

The 2021 round asked for structure that a company could count and report [13]. Resource allocation for growth is a judgement about what the board decides, and outsiders will find it harder to verify. It arrived five years after the 2021 revision, as the code's third revision since 2015 [2][11].

For directors, the decision this quarter is how the next governance report explains where management resources are going, in terms a shareholder can check. The consequence shows up next quarter in dialogue with shareholders. The code treats constructive dialogue with shareholders as an important means to its aims, and Japan adopted a Stewardship Code for institutional investors in 2014 [8]. Yamashita's published account does not list the 30 provisions or give a first reporting date.

What to watch

  • Whether the 2021 Prime Market requirements on one-third independent directors, nomination and compensation committees, and English disclosure survive as explicit text among the 30 provisions.
  • The first governance reports filed against the revised code, and whether companies explain more and simply comply less.
  • Whether institutional investors revise voting guidelines to assess explanations about allocating management resources for growth.

Clarity's read

What the record supports and how the coverage leans. The claims behind it follow.

Reality

Evidence55
Adoption
Insufficient
Hype gap+15
Incentives60
Confidence60
Why these scores

Claim ledger

Ranked by verification strength, evidence, and original report placement.

  1. [1]

    Haruyuki Yamashita is the Head of Policy Engagement at the Tokyo Stock Exchange New York Office.

    Reported Supported Source: Author biography, Harvard Law School Forum postView cited source
  2. [2]

    Five years later, in 2026, the CG Code was revised for a third time (the Revised CG Code).

    Reported Supported Source: Haruyuki Yamashita, TSEView cited source
  3. [3]

    To encourage more substantive corporate action, the Revised CG Code has been streamlined and made more principles-based, reducing the number of provisions from 83 to 30.

    Reported Supported Source: Haruyuki Yamashita, TSEView cited source

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Sources

1 independent publisher whose own reporting we read for this story.

  1. corpgov.law.harvard.edu

    1 article · September 29, 2026

    The 2026 Revision of Japan’s Corporate Governance Code: Toward Sustainable Growth and Medium to Long-Term Corporate Value Enhancement

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