Assessing environmental determinants of subjective well-being via machine learning approaches: a systematic review

Min Yang and Yuxuan Zou ()
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Min Yang: Hong Kong Polytechnic University
Yuxuan Zou: Hong Kong Baptist University

Palgrave Communications, 2025, vol. 12, issue 1, 1-15

Abstract: Abstract Understanding the determinants of subjective well-being (SWB) is crucial for advancing social sciences, particularly in relation to environmental and social factors. Machine learning (ML) techniques have gained popularity in SWB research, yet there is limited synthesis of their current implementation. This systematic review examines the application of ML techniques in assessing determinants of SWB, providing a comprehensive synthesis of 25 studies published up to March 2024. The review highlights the growing use of ML methods, such as random forests, artificial neural networks, and gradient boosting, in understanding the complex, non-linear relationships between environmental factors and SWB. Key environmental determinants identified include service accessibility such as parks, supermarkets, and hospitals, safety feelings, and exposure to air pollution. Additionally, significant social factors, including sociodemographics, emotional predictors, family predictors, and social capital, also influence SWB. The review underscores the value of ML in revealing non-linear relationships and threshold effects, which are particularly useful for policymakers aiming to optimize interventions to enhance public well-being. Analysis of the importance of variables within these models enables policymakers to prioritize interventions that target the most influential factors. However, the review also identifies challenges in the application of ML, particularly in model reporting, improved interpretability techniques, and methodological rigor. These insights provide a foundation for future research aiming to leverage ML to generate more robust and actionable knowledge in well-being studies. To fully harness the potential of ML in SWB research and prevent its misuse, future studies should prioritize model interpretability and focus on translating these insights into actionable policy recommendations.

Date: 2025
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DOI: 10.1057/s41599-025-05234-8

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