Global population terms Flashcards
global population in 1000BC
10 million
global population in 1800
1 billion
global population in 1900
2 billion
global population in 2000
7 billion
where has growth rate been the fastest?
Asian countries e.g. Bangladesh
What is happening in Bangladesh now?
family size is decreasing
fertility rate definition
the number of children a woman is expected to have during her fertile years
how is fertility rate linked to life expectancy?
as fertility rate decreases, life expectancy increases
in last 50 years how has global average number of babies per woman changed?
1963=5
now average is 2.3 (2012)
why did so many children die before age 5 a generation ago?
poor healthcare
why has infant mortality rate been greatly reduced?
vaccines, treatment of infections and better nutrition
how has reduction in infant mortality rate affected family size?
more children survive so don’t need as many children in case some of them die
what will (predicted) happen to population growth by 2100?
reach around 11 billion
why has population growth slowed down?
improved education and family planning
peak child definition
the number of children aren’t increasing
why is the population so big if fewer babies are being born?
increasing life expectency
how is Mozambique coping with population growth in cities?
improved healthcare (new hospital) and has booming economy, new industries bringing new jobs
challenges in Mozambique countryside
walking miles for water, relying on what they grow to provide what they eat. the crops they sell don’t provide enough money
extreme poverty definition
don’t have enough food for family, earn
how many people in the world live in extreme poverty?
1 billion
how might Africa be able to lift itself out of poverty in the next 20 years?
improved technology for agriculture to grow food for more people
birth rate definiton
number of live briths per 100 population per year
death rate definiton
number of deaths per 1000 population per year
infant mortality rate definiton
number of babies that die before first birthday per 100 population per year
natural increase definition
birth rate exceeds death rate
natural decrease definition
death rate exceeds birth rate
dependency population
number of children and elderly compared to working adults
total fertility rate definiton
number of babies a woman can expect during their fertile years
replacement level definition
number of children needed per woman in order to maintain a country’s population
