One of the standards that the World Health Organization (WHO) uses to determine the health ranking of a nation is life expectancy at birth. This metric reflects the average number of years a newborn is expected to live if current mortality rates continue to apply. Life expectancy is a key indicator of the overall health of a population and the effectiveness of its healthcare system, encompassing factors such as access to medical services, nutrition, sanitation, and the prevalence of diseases.
What is one of the standards WHO uses to determine the health ranking of a nation?
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