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.
No imminent resolution in case of Guernsey woman Sarah Groves
Windy weather cancels Sunday ferry sailings
Former politician believes the States of Alderney is 'not fit for purpose.'
Winning CI Christmas Lottery ticket sold in Jersey
Tune in to hear CI Christmas Lottery winning number!
Extensive repointing work in Guernsey progressing
