United Kingdom
19502100
2025
Life expectancy
81.6 years
Infant mortality
3.5 per 1,000 births
Under-5 mortality
4.1 per 1,000 births
Crude death rate
9.7 per 1,000 people
Average number of years a newborn is expected to live
Remaining years of life at ages 0, 15, 65 and 80
Gender gap at birth and key age milestones
No gender comparison data available.
Total deaths by sex with crude death rate overlay
Mortality rates for children under five
No infant or child mortality data available.
Probability of dying before or between key adult ages
No age-specific mortality data available.
United Kingdom has achieved exceptional longevity, with life expectancy at 81.6 years—among the highest in the world. Infant mortality has been reduced by 88% since 1950, now at just 3.5 per 1,000 births. By 2100, life expectancy is projected to reach 90.6 years.