quality of life
US /ˌkwɑː.lə.ti əv ˈlaɪf/
UK /ˌkwɑː.lə.ti əv ˈlaɪf/

1.
the standard of health, comfort, and happiness experienced by an individual or group
:
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Access to clean water and sanitation significantly improves the quality of life.
•
The city aims to enhance the quality of life for its residents through various urban development projects.