population case study

Question 1

Bangladesh= dtm stage 2/3
population
population density
birth rate
death rate 
fertility rate

Answer 1

• 8th most populous country at 165million
• 2050 prediction is 202 million
• 1238 people per km2
• city of Dhaka is on of the most densely populated areas in the world: 40,000 people per km2
• 19/1000
• 5.3/1000
• 2.2: 58% of population is under 30 but birth rates are falling

Question 2

8 ways the environment in Bangladesh influence population change

Answer 2

• half the size of the UK at 150,000km2
• low and flat lying with hot wet climate
• fertile soils= high agricultural productivity making the country food secure even as populations increase
• environmental stress changes population distribution
• estimated 70% live in slums of Dhaka
• climate change=sea level rise=coastal land loss
• pressure on land for agricultural expansion
• already 70% of the land is used for agricultural practices

Question 3

10 ways social, cultural and economic factors influence population change

Answer 3

• fertility rates where high-7.0 in 1970
• women were expected to marry young and have many children
• high infant mortality rate
• fertility rate declining since 2017- 2.3 birth per woman
• proportion of couples using contraception increased by 52% in about 40 years
• successful immunisation program helped infant mortality rate fall to 32/1000 in 2014 compared to 150/1000 in 1970
• increased female education
• improved life expectancy from 47.5 in 1970 to 73.2
• birth rate is still high due to large child bearing population

-migration: more people leaving than entering

Question 4

4 social implications of population change in Bangladesh

Answer 4

• increase in number of residents living in slums
• Korail slum in Dhaka has 200,00 residents
• only 1/3 of population has access to piped water supply
• only sewer system in the country is in Dhaka and only serves 18%

-as population growth slows food becomes more secure
-child stunted growth percentage fell from 55% to 36%
in 17 years

• 2000 5% of population was over 60 this has increased to 19% increasing the percentage of non communicable disease
• percentage of children under 15 is slowing making education provision easier

Question 5

3 economic implications of population change in Bangladesh

Answer 5

• higher percentage of working people means more economic migrants meaning more remittance
• country receives $1billion per month in remittance
• many citizens het education and work a broad meaning there’s a shortage of high skilled workers in Bangladesh

Question 6

environmental implications of population change in Bangladesh

Answer 6

• increasing demand for agriculture, housing and industry increases rates of deforestation
• only 11% of the country is forested which increases soil erosion and coastal erosion
• increasing use of fertiliser and pesticides increases water pollution and agricultural run off
• increased population increases air pollution
• 2015: 120,000 deaths caused by exposure to fine particle matter