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Accepted for/Published in: JMIR Formative Research

Date Submitted: Nov 30, 2025
Open Peer Review Period: Dec 9, 2025 - Feb 3, 2026
Date Accepted: Mar 6, 2026
(closed for review but you can still tweet)

The final, peer-reviewed published version of this preprint can be found here:

Prediction of Prefecture-Level Subjective Well-Being in Japan by Using Google Trends and Socioeconomic Data: Machine Learning Model Development and Validation Study

Kishi K, Hayashi H, Koshimizu S

Prediction of Prefecture-Level Subjective Well-Being in Japan by Using Google Trends and Socioeconomic Data: Machine Learning Model Development and Validation Study

JMIR Form Res 2026;10:e88696

DOI: 10.2196/88696

PMID: 41861354

Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.

Predicting Prefectural Subjective Well-Being in Japan Using Google Trends and Socioeconomic Data: An Infodemiology-Informed Stacked-Ensemble Study

  • Kenichi Kishi; 
  • Hisashi Hayashi; 
  • Shigeomi Koshimizu

ABSTRACT

Using 2022-2025 data for Japan’s 47 prefectures, we test whether Google Trends indicators improves stacked-ensemble predictions of prefectural subjective well-being.


 Citation

Please cite as:

Kishi K, Hayashi H, Koshimizu S

Prediction of Prefecture-Level Subjective Well-Being in Japan by Using Google Trends and Socioeconomic Data: Machine Learning Model Development and Validation Study

JMIR Form Res 2026;10:e88696

DOI: 10.2196/88696

PMID: 41861354

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