Survey Results on the Causes of "Kuitsukushi-kei" Behavior Revealed from 400 Respondents
VALUE FIRST Inc.'s "Minna no Koe Research Lab" conducted a survey of 400 men and women regarding "kuitsukushi-kei" (people who eat all the shared food). The results revealed that over 60% are aware of the term and many attribute the cause to the "individual's personality."
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- 📰 Published: May 18, 2026 at 20:00
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The digital marketing company VALUE FIRST Inc. (Headquarters: Yokohama, Kanagawa; CEO: Satoshi Sano), through its operated media "Minna no Koe Research Lab," conducted a survey on "kuitsukushi-kei" among 400 men and women. For more details on the survey: https://valuefirst.co.jp/koe-lab/kuitsukushikei/ [Survey Overview] Survey Period: December 30, 2025 - January 13, 2025. Survey Target: Men and women registered on CrowdWorks. Number of valid responses: 400. Survey Method: Internet survey by CrowdWorks. Over 60% of respondents know the term "kuitsukushi-kei". Regarding the term "kuitsukushi-kei," 43.75% answered they "understand its meaning," and 24.75% said they have "heard of it but don't know the meaning." This result shows that over 60% of the total respondents recognize the term "kuitsukushi-kei." Furthermore, with over 40% understanding its meaning, it is considered that behaviors and troubles related to "kuitsukushi-kei" are widely prevalent, not just a passing internet buzzword. 36.75% have felt "this person might be a kuitsukushi-kei". To the question, "Have you ever felt that someone close to you might be a 'kuitsukushi-kei'?" 36.75% answered "yes." This result indicates that about one in three people has witnessed behavior considered to be "kuitsukushi-kei" in their surroundings. On the other hand, the fact that 60% answered "no" means that many people are fortunately in environments free from such troubles. "Eating manners" are hard to point out, especially in close relationships. A "kuitsukushi-kei" might be lurking around you. The emotion towards "kuitsukushi-kei" behavior is "exasperation". When asked about the closest emotion felt when seeing "kuitsukushi-kei" behavior, the most common answer was "exasperation" (151 responses). The emotion of "exasperation" is also a sign of feeling "I don't care anymore" about the person's character or potential for improvement. This result shows that many people are in a state close to "resignation," having lost the energy to be angry at the incomprehensible behavior of "kuitsukushi-kei." It has become clear that the actions of a kuitsukushi-kei have a negative impact on those around them that cannot be ignored. 64.75% believe the cause is the "individual's personality". When respondents were asked about the cause of becoming a "kuitsukushi-kei," 64.75% answered "the individual's personality." There is no single cause for becoming a "kuitsukushi-kei." Various factors are thought to be involved, and they differ from person to person. Therefore, it is first necessary to find out from the individual why they engage in "kuitsukushi-kei" behavior. It is important to identify the cause, checking for hints in their family environment or lifestyle habits, and then respond accordingly. When sharing food, one should "consider everyone's share". To the question, "How much consideration do you think is necessary when sharing food?" 68.50% answered, "consider everyone's share." This result shows that the Japanese dining table is not just a place for meals but a communication venue for confirming respect and fairness towards others. On the other hand, no one answered that "no particular consideration is necessary." In other words, although it is generally recognized that "some consideration is necessary at the dining table," the "kuitsukushi-kei" are left out of this common understanding. Thus, because the behavior of "kuitsukushi-kei" deviates significantly from social norms, people feel, "Why can't they do something so obvious?" Survey Results: - Over 60% of respondents know the term "kuitsukushi-kei". - 36.75% have felt that someone they know might be a "kuitsukushi-kei". - The predominant emotion towards "kuitsukushi-kei" behavior is "exasperation". - 64.75% believe the cause is the "individual's personality". - When sharing food, one should "consider everyone's share". In this survey, we investigated real-life victim stories and coping strategies regarding "kuitsukushi-kei" from 400 men and women. The behavior of a "kuitsukushi-kei" is not seen as the desire itself, but as a "lack of consideration." Sharing a meal requires a minimum level of consideration, whether with family or colleagues. For everyone to coexist, it's not just the victim's side that should make concessions; both sides should continue to make an effort to understand each other. Minna no Koe Research Lab publishes more detailed results from this survey. It is also full of information on survey results from various other genres! See details. *When reprinting, please be sure to include the following URL as the source of this press release: [https://valuefirst.co.jp/koe-lab/kuitsukushikei/] [Company Profile] Name: VALUE FIRST Inc. Website: https://valuefirst.co.jp/ Location (Yokohama Head Office): (Nagaoka Digital Lab): Contact: recruit@valuefirst.co.jp TEL: 045-263-8255 [Our Media] Zeniemon