Current Life Expectancy 2025 Calendar. Projections from 2025 onwards are based on the un's medium. Life expectancy, averaging a person's lifespan from birth to death, varies globally due to factors like genetics, lifestyle, and healthcare access.

United nations projections are also included through the year 2100. Life expectancy, averaging a person’s lifespan from birth to death, varies globally due to factors like genetics, lifestyle, and healthcare access.