2. Population and technology The people of a country or region taken as w whole More than 90% of the world’s population live in the northern hemisphere because there are more landmasses in the northern hemisphere.

3. Reasons for the slow population growth in the past Increase of death rate Due to scarcity of food and diseases Less health facility Lack of shortage of food.

4. Increase of population With the introduction of farming and settled life, the population began to increase slowly. It was only after the Industrial Revolution, with the advancements in the field of medicine and improvements in food production, improved sanitation and water supply that the death rate was reduced. As a result, the population began to grow rapidly

5. Reasons for higher population growth It was after industrial revolution, with the advancement in the filed of medicine and improvements in food production, improved sanitation and water supply.

6. How population growth controlled Education Family planning measures Concern about standard of living.

7. World population World population is the total number of people living in all the countries together. As of July 2008, the world’s population is estimated to be just over 6.692 billion. Life expectancy: the average number of year a person is expected to live.

8. WORLD POPULATION OUTLOOK 1950-2050 World population is growing rapidly. In 2007 there were 6 billion people living in our planet. Current world population has reached 7 billion. Total population for 2050 will reach 9.078 billion.

10. TOP 10 RANKED MOST POPULATED COUNTRIES FOR 2003 AND 2050 Countries Ranked by Population: 2003 RankCountry Population 1China1,286,975,468 2India1,049,700,118 3United States290,342,554 4Indonesia234,893,453 5Brazil182,032,604 6Pakistan150,694,740 7Russia144,526,278 8Bangladesh138,448,210 9 Nigeria133,881,703 10Japan127,214,499

12. World’s top 10 populated countries. China India United States Indonesia Brazil Pakistan Russia Bangladesh Nigeria Japan

14. 9.1 Growth of population and technology 1.Define population. 2.Why do more than 90% of the world’s population live in the northern hemispheres? 3.Which is the highly populated country in the world? 4.What were the reasons for the slow population growth in the past? 5.How do developing countries control the population growth rate? 6.List the reason for the higher population growth.