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.


Temporary traffic lights removed from key St Peter Port route sooner than expected
New car for Guernsey's Meals on Wheels fleet
Major power cut switches off most of Alderney
Perfect evening for Guernsey's 2026 Air Display
The Red Arrows pull out of performing over Guernsey
Guernsey's Ladies' Pool reopens after pollution incident
Passengers at Guernsey Airport told to expect some flight disruption
Guernsey flights impacted by UK air traffic control issue