P2 main points Flashcards
1
Q
total fertility rate required for population replcement?
A
2.1
1
Q
changes in life expectancy reflect?
A
changes in the overall health of a countries population
(income level, living conditions, healthcare)
2
Q
factors affecting fertility 7
A
- status of women (Edu and work)
- level of edu and material ambition
- location of residence (rural/urban)
- religion (pro-natalist)
- health of the mother
- economic prosperity
- need for children (high infant mortality)
3
Q
what does the demographic transition model show
A
change in birth and death rate oer time = how it affects pop size, rate of growth
4
Q
reasons for birth rate decline 4
A
- children are expensive
- more women want own career
- more widespread family planning
- decr infant mortality rate = decr need for replacement
5
Q
reasons for declining death rates
A
- clean water
- reliable food supply
- better hygiene and sanitation
- lower population densities
- better healthcare
- incr SOL
6
Q
what does a population pyramid show
A
shows how a population is distributed according to age and sex
7
Q
how to calculate dependency ratios
A
relates working pop to dependent pop
<15+>64 / 16to64 x100
8
Q
define circular migration
A
worker moving repeatedly between home and host areas
9
Q
A