Zusammenfassung der Ressource
geography GCSE - population
- birth rate
- number of babies born
per 100 people per year
- will be higher in LEDC as no contraception
- could be due to lack of money, development
or education
- lower in MEDC as have careers and education
- religion affects it
- dont believe in contraception
- death rate
- number of deaths per 1000 people per year
- war, famine illness affects it
- in LEDC
- alchohol at
younger ages
- in MEDC
- more money for healthcare effect it
- demographic transition model
- 5 different stages
- stage 1
- high br
- high dr
- both change due to war and famine
- population is stable
- eg rainforest tribes
- stage 2
- dr decreases
- br stays high
- pop grows
- eg afghan
- stage 3
- br drops big
- dr keeps decreasing
- pop still grows
- eg ledc india, kenya
- stage 4
- low br
- low dr
- br fluctuating due to economy
- e.g. further countries uk, isa
- stage 5
- br very low
- dr higher than br
- dr increase due to ageing pop
- total pop decreases
- e.g. further countries japan, italy
- population pyramids
- links with dtm
- stage 1
- wide base due to high br
- steep- high dr
- short life expectancy
- stage 2
- few more elders now
- less concave
- dr drops
- stage 3
- more people live older
- br decreasing
- stage 4
- most ppl now die at old age
- high life expectancy
- br going down
- stage 5
- increasing in very old
- middle aged high than kids
- dependancy ratio
- too between dependant and independent
- work for themselves
- need looking after (kids, elderly)
- dependant x 100
independent
- (0-15)+(65+) divide by (16-64) times 100
- CASE STUDY
- china's one child policy
- put in place because pop was too big, i billion in 1970
- was relaxed after sichuan earthquake
- rules
- can't marry until 20
- only one baby
- boys were more wanted
- lots of girls died in orphanages
- benefits to people
- 5-10% salary rise
- priority housing
- free education & healthcare
- if disobeyed
- 10% salary cut
- fine was so big would bankrupt you
- no free stuff
- if 2 only childs had baby they can have two
- rich ppl would have two as can afford fines
- 4,2,1 problem
- wasting money on pensions as lots of old
- not enough independent ppl