P OPULATION

Title: World population Date: 14/06/2016

A IMS OF THIS UNIT To understand world population. To assess factors that affect population growth. To map and explain population distribution. To understand some of the problems faced by world population.

The number of people living in a country is called its population.

L ESSON STARTER : Q UICK QUIZ

Figures taken October 2011 Numbers will have increased. Figures taken October 2011 Numbers will have increased. World population taken 2012

years ago

2000 years ago

200 years ago

Today

G ROWTH OF THE WORLD POPULATION Why did we have this massive increase in population in the last 100 year?

Bo and Ella fell in love ……….. Aaahhhhhhhhhh! They got married and had 4 children.

All 4 of these had children of there own. 18 altogether.

16 out of the 18 in turn had children of there own – 76 altogether

And so on, and so on and so on. It has been like this all over the world for centuries. Global population

W HY DOES THE POPULATION INCREASE ? Population increases when the number of babies being born is greater than the number of people dying. The number of babies being born each year is called the birth rate. The number of people who die each year is called the death rate.

T HIS MEANS Birth rate and death rate the same: population stays the same. Birth rate more than death rate: population increases. Death rate more than birth rate: population decreases.

B IRTH AND D EATH RATES Birth and death rates are measured as the number of births and deaths for each 1000 of the population. The speed at which the population increases is called the population growth rate.

G ROUP TASK In groups of 4 you are going to discuss what factors affect birth rate and death rate. To do this you will have been given a piece of poster paper and you must divide it into 4 boxes. (see the next slide)

Population Increase of population Decrease of population Developing countryDeveloped country Developing countryDeveloped country Advances in medical science Lack of family planning and contraception Lot of people die from diseases Poor diet causes increase of obesity related disease

N ATURAL I NCREASE The natural increase in population is the number of extra people. Natural increase in the world Birth rate – death rate =

T ASK : P OPULATION INCREASE QUESTION SHEET. Complete all of the question on the population increase question sheet.

E XTENSION Read page of the Geog SG books. Answer all of the Activity questions on page 139. (miss out activity 1)

L ESSON PLENARY 3, 4, 5 You have 3 minutes To tell 4 people 5 things that you now know about population

Population Increase of population Decrease of population Developing countryDeveloped country Developing countryDeveloped country