Life Expectancy 2024 For Women And Children. Life expectancy, averaging a person's lifespan from birth to death, varies globally due to factors like genetics, lifestyle, and healthcare access. Healthy life expectancy (hale) at birth adds up expectation of life for different health states, adjusted for severity distribution making it sensitive to changes over time or differences.

Mortality rates declined, and consequently life expectancy increased, for all age groups. Life expectancy at birth reflects the overall mortality level of a population.