consumers of general households throughout Japan; multiple answers possible
Method of interview
Online survey
Supplementary notes
*HEMS stands for home energy management systems.
**ZEH stands for zero-energy house.
***ECHONET stands for Energy Conservation and Homecare Network. It is a communication protocol for smart homes.
Survey question: "Do you know about the following 'connected home/smart home'-related keywords?"
Citation formats
Awareness of connected home and smart home keywords in Japan 2020
According to a survey about keywords related to connected homes and smart homes conducted in May 2020, close to ** percent of the respondents in Japan stated that they know the word "smart speaker." The acronym "ZEH", indicating zero-energy houses, was recognized by more than **** percent.
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PwC Japan. (April 20, 2021). Awareness of connected home and smart home keywords in Japan as of May 2020 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/
PwC Japan. "Awareness of connected home and smart home keywords in Japan as of May 2020." Chart. April 20, 2021. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/
PwC Japan. (2021). Awareness of connected home and smart home keywords in Japan as of May 2020. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/
PwC Japan. "Awareness of Connected Home and Smart Home Keywords in Japan as of May 2020." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 20 Apr 2021, /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/
PwC Japan, Awareness of connected home and smart home keywords in Japan as of May 2020 ÌÇÐÄÆÆ½â°æ, /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/ (last visited July 21, 2026)
Awareness of connected home and smart home keywords in Japan as of May 2020 [Graph], PwC Japan, April 20, 2021. [Online]. Available: /statistics/1257236/japan-awareness-connected-home-smart-home-keywords/