2.3 Flashcards
What happens to population growth in each stage of demographic transition?
Starts low
Rapid increase
Increase slows down, continues going up
continues to slow, starts to level
stays similar, could slowly decrease or increase
What happens to death rate in each stage of demographic transition?
High, wavering average line
Decreases suddenly
decreases slows down and levels
Leveled out, low
steady, straight low line
What happens to birth rate in each stage of demographic transition?
1: high, stable straight line
2: stays high and straight, slightly decreases
3: has a significant dip and decreases suddenly
4: levels out down low
5: wavering average low line
What country is more developed based on life expectancies at birth; US 76, Somalia 55
The US is probably more developed because the life expectancy is higher. They have more money and resources.
How do age population diagrams help predict the population in the future?
You can see the common pattern and average of males to females, which helps predict the future
what makes up the sex ratio
of females vs. males
+females= more growth
what makes up generation time
age that females reproduce
shorter generation time=more growth
what makes up age structure
of females at reproductive age in cohort