10 Questions
What is the approximate mortality rate in wealthier countries?
10 per 1,000
Why do rapidly growing countries have lower crude death rates compared to more developed countries?
Due to a lower proportion of elderly people
What is the result of subtracting the crude death rate from the crude birth rate?
Natural increase
What is the difference between the natural increase rate and the total growth rate?
The natural increase rate only includes births and deaths, while the total growth rate includes immigration and emigration
How is the approximate doubling time in years estimated?
By dividing 70 by the annual percentage growth rate
Which country has a natural increase rate of 0.6 percent per year?
United States
What is the current estimated time for the world population to double?
61 years
What is the definition of life span?
The oldest age to which a species is known to survive
Which country is expected to lose about 40 percent of its population in the next 50 years?
Ukraine
What is the crude death rate of Denmark?
12 per 1,000
Test your knowledge about the devastating effects of polluted water and inadequate sanitation on human health and the environment. Learn about the alarming statistics and projections of the United Nations regarding water scarcity and its potential to spark international conflicts.
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