Populations Flashcards
What do we call when a population increases?
Natural increase
What do we call when a population decreases?
Natural decrease
Birth rates means?
Number of live births per year per 1000
Death rates means?
Number of deaths per year per 1000
Natural increase / decrease means?
The change in population
How to calculate the natural increase?
Birth rate - death rate
Factors that encourage a high death rate…3 examples
Diseases, not enough resources, low healthcare
Factors that encourage a high birth rate…3 examples
So that their children can work on the farm, low taxes, boys get to keep the family name
Factors that encourage a low death rate…3 examples
Cheep healthcare, good resources, good healthcare
Factors that encourage a low birth rate…3 examples
Government may prevent having more than x amount of children (china), money issues = lack of job, birth delay = women now have jobs
Demographic definition
To do with population. Demographers study population changes.
Transition definition
Movement from one stage to another.
Model definition
A simple diagram to show something quite complicated
Population pyramid definition
A population pyramid is a graph that geographers draw to show the structure of the population.
Structure shows how many males and females of different age groups are in a country.
0-4 to 15-19?
Young dependents
20-24 to 55-59
Independent cohort / economically active
60-64 to 100+
Old dependents
Life expectancy meaning
The average period that a person may expect to live.
Ageing population examples and definition
When a country has a high proportion of people over 65 years old. e.g. Japan, Germany, UK.
