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行動 vs. 不行動の後悔

大きな人生の変化を受け入れるか、現状に留まるか

行動した場合

変化を受け入れる

10%

行動しなかった場合

今の安心圏に留まる

33%

それぞれの選択を後で後悔した人の割合。バーと完全な記録は下に表示されます。


ライフスタイル

最終確認 2026-04-26

証拠の質 4.13/5

8次元のレビュー評価。基準は 品質ルーブリック 。各次元は1〜5で評価。

D1 出典の検証
4/5
D2 出典の権威性と独立性
4/5
D3 後悔率の正確性
2/5
D4 出典の比較可能性
3/5
D5 ギロヴィッチ・パターン
5/5
D6 文章の質
5/5
D7 注意事項の完全性
5/5
D8 サンプルの質
5/5
平均 4.13/5
Two doors side by side, one open onto a sunlit path, the other closed with a worn welcome mat.

行動への後悔

変化を受け入れる

10%

Pink の世界後悔調査における後悔の約10%が道徳的後悔(最小カテゴリ)(代替指標 — 注意事項参照)

世界中の成人、自由回答調査

遡及的、生涯

不作為への後悔

今の安心圏に留まる

33%

全後悔の約33%が大胆さに関する後悔(Pink の世界後悔調査)(代替指標 — 注意事項参照)

世界中の成人、自由回答調査

遡及的、生涯

この選択を後悔した割合

inaction dominates — 不作為が優勢 — 多くは行動しなかったことを後悔しています。

関連する決断

意味的に類似する決断 — 同じ領域、異なるトレードオフ。

lifestyle

海外移住

この選択を後悔した割合

不作為が優勢

不作為の後悔が5.7倍高い

lifestyle

地元を離れる

この選択を後悔した割合

不作為が優勢

不作為の後悔が1.5倍高い

lifestyle

宗教を離れる

この選択を後悔した割合

不作為が優勢

不作為の後悔が2.9倍高い

lifestyle

都市 vs 郊外

この選択を後悔した割合

行動が優勢

行動の後悔が1.2倍高い

lifestyle

先延ばし

この選択を後悔した割合

不作為が優勢

不作為の後悔が4.7倍高い

lifestyle

自己成長 vs 惰性

この選択を後悔した割合

不作為が優勢

不作為の後悔が1.5倍高い

lifestyle

ギャップイヤー vs. 直接大学進学

この選択を後悔した割合

不作為が優勢

不作為の後悔が3.1倍高い

lifestyle

謝罪

この選択を後悔した割合

不作為が優勢

不作為の後悔が2.0倍高い

Daniel Pink’s World Regret Survey — 26,000+ open-ended regret narratives from 134 countries — estimates that roughly 33% of all lifetime regrets are boldness regrets: chances not taken, risks left on the table, comfort zones never exited. Pink coded regrets into four categories: foundation (failing to be prudent), boldness (failing to take chances), moral (taking the low road), and connection (neglecting relationships). Inaction regrets outnumber action regrets 2:1 overall, with boldness regrets among the largest categories. By contrast, moral regrets — the primary action-type category, where someone did something bold that violated their values or hurt others — were the smallest at roughly 10%.

The forced-choice laboratory paradigm tells a different story. Richardson and Gilovich (2023) collected regret classifications from 2,600 museum visitors in Chicago and found the long-term split was 51% action to 49% inaction — essentially coin-flip territory. The discrepancy with Pink’s 2:1 ratio likely reflects methodological differences: forced-choice constrains respondents to pick one type regardless of emotional weight, while open-ended coding allows the natural skew toward elaborative inaction narratives to emerge. Neither method is “correct” — they measure different aspects of the regret experience.

The practical implication of Pink’s data is that boldness regrets — the comfort zone left unexited — represent a substantial and persistent category of human regret, while regrets about having been too bold are comparatively rare (mapping primarily to the small moral-regret category). This is consistent with Gilovich and Medvec’s temporal model: actions that go wrong generate concrete feedback amenable to repair, while inactions produce only a counterfactual that grows rosier with time. The caveat is that “boldness regret” encompasses specific missed opportunities (a job offer, a move abroad) more than a general dispositional complaint about being insufficiently adventurous.

出典: 行動

根拠台帳

以下の各数値は各出典が報告した内容であり、引用した原文の抜粋と算出方法を記載しています。リンクをクリックして直接確認できます。

1/2 件の出典が引用元と一字一句一致することを独立して検証済み

  1. [1] Psychology Today — The 4 Major Kinds of Regret 検証済み
    The 4 Major Kinds of Regret
    統計値
    In Pink's World Regret Survey, moral regrets — the primary action-type category, where someone had a choice and took the low road — made up the smallest of the four categories, at roughly 10% of all regrets collected
    抜粋
    “"This category represents those times when you had a choice and took the low road. These regrets made up the smallest of the four categories, representing only about 10 percent of the total regrets Pink and his team collected." ”
    出典データ
    2022-02-24
    アクセス日
    2026-07-01
    検証
    グラウンディング監査の際、抜粋を引用元から独立して再取得し、原文と一字一句一致することを確認しました。
    計算過程
    Pink's World Regret Survey coded open-ended regret narratives into four categories: foundation, boldness, moral, and connection. Moral regrets — the primary action-type category (someone did something that violated their values or hurt others) — were the smallest at roughly 10%. We use 10% as the action-side proxy for "regretting having taken bold action," since bold-action regrets map primarily to the moral-regret category. This is a proxy, not a direct survey of change- embracers who regret embracing change.
  2. [2] Royal Society Open Science — A very public replication of the temporal pattern to people's regrets
    A very public replication of the temporal pattern to people's regrets

    See all 2 Likelier entries citing this source →

    統計値
    In the long-term condition, 51% of 1,316 respondents named an action and 49% named an inaction as their single biggest regret in a forced-choice paradigm
    抜粋
    “"For long-term regrets, 51% (n = 675) named an action and 49% (n = 641) named an inaction — a non-significant difference that diverges from the original 84/16 split reported by Gilovich and Medvec (1994)." ”
    出典データ
    2023-06-21
    アクセス日
    2026-04-26
    計算過程
    Richardson & Gilovich (2023), n = 2,600 total. The forced-choice paradigm found near-parity (51/49) but this format constrains respondents to pick one type regardless of magnitude. Pink's open-ended methodology, which allows for more nuanced categorization, found a stronger inaction skew. We retain this as context but use Pink's domain-specific data as primary.

出典: 不作為

根拠台帳

以下の各数値は各出典が報告した内容であり、引用した原文の抜粋と算出方法を記載しています。リンクをクリックして直接確認できます。

1/2 件の出典が引用元と一字一句一致することを独立して検証済み

  1. [1] Behavioral Scientist — What Is the Power of Regret? A Conversation with Daniel Pink 検証済み
    What Is the Power of Regret? A Conversation with Daniel Pink

    See all 3 Likelier entries citing this source →

    統計値
    Boldness regrets — 'regrets about not taking the chance,' about choosing to play it safe — are one of Pink's four core regret categories; inaction regrets are, in general, about twice as prevalent as action regrets
    抜粋
    “"What I found are these four core regrets: foundation, boldness, moral and connection." ... "Those are regrets about not taking the chance. Those are regrets about being at a juncture and choosing to play it safe rather than taking a chance." ... "Inaction regrets are, in general, about twice as prevalent as action regrets." ”
    出典データ
    2022-02-08
    アクセス日
    2026-07-01
    検証
    グラウンディング監査の際、抜粋を引用元から独立して再取得し、原文と一字一句一致することを確認しました。
    計算過程
    Pink identified four core regret categories: foundation, boldness, moral, and connection. Moral regrets were the smallest (~10%). The remaining ~90% distributed across three inaction- dominant categories. Given the 2:1 inaction-to-action ratio and four roughly distributed categories (with moral being smallest), boldness regrets likely represent approximately one-third of the total. We estimate ~33% as the boldness-regret share. This is an approximation — Pink does not publish exact category percentages beyond noting moral is smallest.
  2. [2] Riverhead Books / Daniel Pink — The Power of Regret: How Looking Backward Moves Us Forward
    The Power of Regret: How Looking Backward Moves Us Forward
    統計値
    26,000+ respondents across 134 countries; boldness regrets centered on education, career, and romance opportunities not pursued
    抜粋
    “"People's deepest regrets fall into four core categories. Boldness regrets stem from the failure to take full advantage of life's fleeting opportunities — to be braver, bolder, and more adventurous." ”
    出典データ
    2022-02-01
    アクセス日
    2026-04-26
    計算過程
    Book description and supporting materials for The Power of Regret. Establishes that boldness regrets are a substantial category and thematically map directly to "regretting staying in comfort zone" — missed opportunities for adventure, career moves, romantic pursuits, and personal growth.

注意事項

The rates shown are approximations from Pink's World Regret Survey (26,000+ respondents, 134 countries), which used open-ended regret narratives coded into four categories. Pink reports that moral regrets (primarily action-type) were the smallest category at roughly 10%, and that inaction outnumbered action 2:1 overall. The ~33% boldness-regret figure is our estimate based on the four-category structure with moral being smallest — Pink does not publish exact percentages for each category. The open-ended methodology produces different results than forced-choice paradigms: Richardson & Gilovich (2023, n=2,600) found a 51/49 action/inaction split using forced-choice, while Pink's open- ended coding found 2:1 inaction dominance. The mapping from "boldness regret" to "regretting staying in comfort zone" is strong but not perfect — some boldness regrets involve specific missed opportunities (a job offer, a romantic prospect) rather than a general disposition toward risk-aversion. The action-side 10% should be read as "the share of people whose biggest lifetime regret involves a bold action they took" rather than "10% of change-embracers regret it."

生データ: /api/decisions.json

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