Which has higher life expectancy, Guam or Montenegro?

Guam, at 77.21 years against 77.09 years in Montenegro as of 2023.

How many years of comparable data are there for Guam and Montenegro?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guam vs Montenegro: Life expectancy

Guam

77.21 years

in 2023

Montenegro

77.09 years

in 2023

Guam rank

90th

Montenegro rank

92nd

Life expectancy over time

Guam
Montenegro

How they compare

Guam currently reports 77.21 years against 77.09 years in Montenegro, a difference of 0.12 years.

The two have swapped places 8 times across 74 shared years of data; in 1950 it was Guam ahead.

Guam ranks 90th and Montenegro ranks 92nd of 236 countries.

Across the 8 decades both report, Guam averaged higher in 3 and Montenegro in 5.

Head to head by decade

Decade	Guam	Montenegro	Difference	Ahead
1950s	61.05 years	61.05 years	0.0072 years	Montenegro
1960s	64.2 years	67.83 years	3.63 years	Montenegro
1970s	67.78 years	71.49 years	3.71 years	Montenegro
1980s	72.51 years	72.69 years	0.1822 years	Montenegro
1990s	74.23 years	73.68 years	0.5497 years	Guam
2000s	75.93 years	74.42 years	1.51 years	Guam
2010s	76.38 years	76.4 years	0.0213 years	Montenegro
2020s	76.32 years	75.66 years	0.6564 years	Guam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Guam or Montenegro?: Guam, at 77.21 years against 77.09 years in Montenegro as of 2023.
What is the difference in life expectancy between Guam and Montenegro?: 0.12 years, with Guam ahead.
How many years of comparable data are there for Guam and Montenegro?: 74 years are reported by both, from 1950 to 2023.
How do Guam and Montenegro rank globally for life expectancy?: Guam ranks 90th and Montenegro ranks 92nd of 236 countries.
Where does this data come from?: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Life expectancy
Unit: years
Source: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 19,452 data points, 1543–2023
Last refreshed: 06 August 2026

Period life expectancy is the number of years the average person born in a certain year would live if they experienced the same chances of dying at each age as people did that year.