Life Expectancy 2024 By Country. Next on the list is liechtenstein with an average life expectancy of 84.77 years, switzerland with 84.38 years,. For instance, monaco boasts the highest life expectancy at 89.8 years, while nigeria has one of the lowest at 54.64 years.

The life expectancy for world in 2023 was 73.16 years, a 0.24% increase from 2022. For instance, monaco boasts the highest life expectancy at 89.8 years, while nigeria has one of the lowest at 54.64 years.