HW6-2391

From Environmental Technology

1.What is the estimated world population in billions?

• 6.4 Billion in 2004

2.What is the current birth rate for the world?

• Birth rates range from 1.2 to 8 children around the world. An average of 2.8.

3.Which continent has the highest birth rate and what is that rate?

• Africa and the rate is 5.1.

4.Which country or contries has/have the highest birth rate, and what is this rate?

• Niger has a rate of 8 children per woman, Nigeria has 5.7 children per woman, Kenya has 5.0 children per woman, and Guatemala has 4.4 children per woman.

5.Which continent has the lowest birth rate, and what is this rate?

• Europe and the rate is 1.4 children per woman.

6.Which country or countries has/have the lowest birth rate and what is this rate?

• China, Macao SAR has the lowest at a rate at 0.8 per woman and China, Hong Kong SAR at a rate of 0.9 children per woman.

7.What is the current death rate for the world?

• 10 people die for every 1000 people.

8.Which contry or countries has/have the highest death rate and what is that rate?

• Sierra Leone with 29 per 1000, Botswana with 26 per 1000, Zambia with 24 per 1000, and Angola with 24 per 1000.

9.How is Natural increase [annual%] calculated?

• natural increase is also growth rate[r]. This is calculated by birth rate[b] minus the death rate[d]. r=b-d.

10.Which country or countries does/do not have a positive natural increase [i.e. are either stable or decreasing in population]?

• Out of all the regions of the world, Europe is the only conntry that will not coninue to grow.