The States' Better Life Indicators report places Guernsey 4th out of 39 countries.
The average life expectancy for Guernsey residents is 83.4 years.
The report calculated this from a three-year rolling average.
It lists factors generally associated with high living standards, such as the quality of sanitation, diet, health care, working conditions and community support services.
People are living slightly longer in Switzerland, South Korea and Japan.
Guernsey's average life expectancy has remained fairly stable in the last decade.


Guernsey Occupation film production timeline confirmed
Guernsey charity GROW asks for help in tracing missing stock
Jersey drone havoc: Specialist equipment on-island
Guernsey ambulance fees to rise
Guernsey vet struggles during long wait for work permits
Guernsey charity appeals after £700 worth of goods go missing
Search in Jersey for drone pilots who disrupted airport flying
Guernsey Museums report a 3% increase in visitor numbers