The correct expression to mention the conditions in which a person lives that make their existence happy and healthy is:
It is understood as "nivel de vida" or standard of living, all those conditions or indicators that allow reference if a certain population lives happily or feels that their life is full.
For this they are based on the measurement of "expectativa de vida," which is the amount of years they can live, and the "calidad de vida," which is based on their access to goods and services for their subsistence.
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