Answer:
Life expectancy for the global population : 72.6 years
Fertility rates for global population : 2.5
Step-by-step explanation:
Life expectancy refers to the average age that average humans can reach before we died. Data showed that Global life expectancy has been gradually increased over the past 50 years due to the advancement in medical field.
Fertility rates represent the average amount of children that a woman give birth to within her life time. In contrast to life expectancy, fertility's rates is experiencing a gradual decline over the past 50 years. This decline is caused by the negative perception of having too many children in modern society (too expensive and will take out a lot of time from what we need for self-actualization)