World trend of life expectancy

Life expectancy at birth compares the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future. Life expectancy at birth is also a measure of overall quality of life in a country and summarizes the mortality at all ages.

In this video, Prof. Chao shows the data from the world factbook of CIA (Yes, it’s the one you think it is!). You may find data regarding your region as well.

You are welcome to comment your discovery.