Population Flashcards
Why did the worlds population increase
Agricultural revolution because there was a more stable food supply, less famine
Industrial/scientific revolution- better farming techniques. Advances in medicine and healthcare so more people’s lives are saved
Give the names for each stage in the population cycle
Stage 1: high fluctuating stage Stage 2: early expanding stage Stage 3: late expanding stage Stage4: low fluctuating stage Stage 5: senile stage
Give the characteristics of the first stage in the population cycle
High birth rates and death rates. Low population growth due to famine, disease, and natural disasters eg. Medieval Europe
Give the characteristics of the second stage in the population cycle
The economy improves. Money is spent on healthcare and clean water. Birth rate stays high but death rate decreases because of improvements in healthcare eg.Mali
Give the characteristics of the third stage in the population cycle
Social and economic development continues. People start having less children as most children survive to adulthood. Education improves. Eg. Brazil
Give the characteristics of the fourth stage in the population cycle
The country is wealthy. Family planning is widespread. Low birth rates and death rates. Little population growth. Eg. Ireland
Give the characteristics of the fifth stage in the population cycle
People have few children. The death rate is higher than the birth rate meaning the population begins to decline.
What are the factors effecting population change
Food supply Improved technology Health improvements War The status of women Education
Explain how food supply impacts population change
When people have enough food they are likely to be healthy and live longer. Population grows when there is enough food
Explain how improved technology impacts population change
Farming technology and machinery has developed (ex. Irrigation) this boosts food amounts and population grows
Explain how health impacts population change
Improved access to clean water decreases risk of disease. Improved healthcare and vaccinations enables people to live longer
Explain how war impacts population change
People killed in wars. During wars agriculture, water and health services are destroyed and leads to increased death rates.
Explain how the status of women impacts population change
In wealthy countries women have a high status and are educated. Many choose to work rather than stay at home. Less children. Poorer countries many women have large families as they don’t work
Explain how education impacts population change
Education gives people knowledge about family planning. People learn about diet and healthcare and this allows people to care for their children properly so they grow up healthy
What do population pyramids do
They show the percentage of males and females in different age groups in a country or area
Why are population pyramids useful
Allow government to plan where to build hospitals or schools etc….
Also government to forecast tax and pension needs
Explain population distribution
How people are spread throughout the world. Population distribution is very uneven
Explain population density
The average number of people living in a square kilometre
What effect does population growth have on the environment
Population growth means more deforestation, desertification, species extinction and global warming because there are more people on the planet
Explain about the population change in west of Ireland
The population density of the west has changed a lot in the past 200 years
Before the famine the population rose sharply but during the famine lots of people died or emigrated.
Emigration continued after the famine as well so the population in the west has been declining for more than 100 years
Why does Dublin have a high population density
A third of Ireland live in Dublin. The population density is about 1000 people per square kilometre
This is because:
Dublin is where the government sit
Ireland’s main port and Ireland’s main transport focus (nodal point)
Ireland’s most important education, cultural and commercial centre
Dublin attracts migrants and foreign companies
Explain what the change of people from city to suburbs in Dublin was about and why did it happen
People moved to suburbs around 1960s, people spread north and west
Reasons Dublin west is popular is because:
Big roads travel west from Dublin
Facing the rest of Ireland easy for commuting
Lots of universities ex. Maynooth
Explain about the population density in Brazil
Brazil has a huge population but the population is unevenly distributed
People live along the coast in big cities where population density is high
People don’t live inland where the is low population density
Brasilia the capital was set up to encourage people to travel to the inland areas
Inland areas are very hot with extreme climates and also land can be infertile because of huge amounts of rain
Explain about population density in Sweden
The population of Sweden is unevenly distributed. Most people live in the south than the north
This is because : southern Swedish terrain is very flat South is warmer Industry is in the south It can be hard to get resources in the north with snow,
What and where is Calcutta
Calcutta is a city in India. One of the worlds largest cities and had a huge population density. It’s in a developing country and has a population of about 13 million people. High population density can cause problems
What problems does Calcutta face because of high population densities
Shortage of clean water- people on shanty towns are not connected to the water supply and many people live on the streets. They do not have access to clean water. Many people drink unclean water
Overcrowding- more than 32000 people per km2. Living in shanty towns, streets, bridges
Pollution- waste thrown on street
Future growth - migrants and birth rate
Explain the problems in Hong Kong because of high population density
Hong Kong is a wealthy country with a very high population density
Refugees- millions from neighbouring countries
Shortage of clean sea- polluted by industrial and household waste
Pollution- effects people’s health, traffic and factories. People wear masks during summer if pollution is bad
Overcrowding
Lack of space- most people live in hide rise flats and polders have been developed for airports and factories.
Name some pull factors
Culture Jobs Colleges Housing Transport Social life Health
Name some push factors
Services No jobs No social life Lack of transport Lack of colleges
Name some barriers to migration
Culture Transport War Belongings Language Money Border control/visa Human trafficking
Explain organised migration and give two examples of it
This is when the government undertook the settlement or colonisation of territory abroad.
Ex. Plantation of Ulster
Spanish colonisation of parts of South America
Give reasons why population growth is good
The rapid population growth means children are living longer lives and get to experience adulthood. More people means more developments in technology and science.
Why is population growth bad
However, this rapid population growth is causing huge problems on our planet. Many people now agree that there are too many people on the planet and that we should try to stop the population from increasing further.
•More people on the planet means more environmental damage such as deforestation, desertification, and species extinction. It is also contributing to the problem of global warming.
Name two problems Mali suffers from because of having a low population density
Low marriage rates- men migrate to urban areas, decreases birth rates. Rural population goes into decline meaning services cannot be provided to these areas
Abandonment of land- desertification, job opportunities
Economic isolation- services are not available in rural areas because the population density is so low. No economic involvement
