Japanese consumers are increasingly adopting the concept of "menpa," or mental performance, to reduce the psychological burden of daily decision-making [1].

This shift marks a departure from previous trends centered on efficiency. While Japanese society has long prioritized cost-performance (kospa) and time-performance (taipa), the rise of menpa suggests a growing need to manage choice fatigue and mental exhaustion in an era of overwhelming options [2].

Data indicates that menpa is still in an early stage of adoption compared to its predecessors. Among Japanese adults aged 20 to 69, awareness of menpa stands at 26% [3]. In contrast, awareness of kospa is significantly higher at 85.8%, while taipa is recognized by 78.9% of the same demographic [3].

Despite the lower current awareness, new business models are appearing to capitalize on the trend. Santa no Gakkou Co. has introduced an online course called "Menpa no Gakkou" to teach these principles [1]. The school launched June 3, 2026, and began recruiting for its first cohort this year [4, 5].

Companies are also utilizing physical events and educational seminars to spread the concept. A lecture on mental performance is scheduled for June 27, 2026, at the Yomiuri Shimbun Osaka headquarters [5]. These initiatives aim to help consumers navigate a marketplace where the mental cost of choosing has become a primary concern [2].

Industry reports said that consumption patterns are expanding nationwide as more people seek ways to minimize mental strain [1]. This transition reflects a broader cultural pivot toward psychological sustainability over mere numerical efficiency.

“Awareness of menpa stands at 26%”

The transition from kospa and taipa to menpa signals a maturity in the Japanese consumer market. While the previous decade focused on maximizing the utility of money and time, the emergence of mental performance suggests that the cognitive load of optimization has itself become a burden. The launch of dedicated educational platforms indicates that mental efficiency is moving from a personal wellness goal to a commercialized service industry.