How to live longer: Scientists discover 25 key longevity factors - and 2 with the most 'profound' influence on mortality

This video presents a country-wise comparison of the top 20 countries with the highest life expectancy, based on the latest available data. Life expectancy at birth is a key demographic indicator that reflects long-term trends in healthcare access, living conditions, nutrition, and overall population health. The visualization focuses on comparative patterns, not rankings or judgments. Values shown represent overall life expectancy (both sexes combined) and are intended for general informational