concept 1- Demographics

Question 1

what is demography the study of?

Answer 1

1. population
2. population density
3. Historical trends in population growth

Question 2

explain what population and population density are?

Answer 2

Population- total number of people

population density-total number of people for a particular amount of land (ie: per km^2)

Question 3

what are the 3 kinds of population distribution and describe them??

Answer 3

1. concentrated-> near resources (mines, forests, raw materials) appears as bunches of population
2. linear-> along water or transportation routes (appears as a line)
3. Dispersed-> farming (appears equally dispersed)

Question 4

where do most Canadian’s live (region wise)

Answer 4

50% of Canadians live in the great lakes and st. Lawrence lowlands. canada would be considered linear (near the us border) and because upper canada is to cold to live in.

Question 5

how do you calculate birth rate, dealth rate, and natural increase rate?

Answer 5

birth rate= # of births per year divided by population multiplied by 1000
dealth rate= # of dealths per year divided by population multiplied by 1000
natural increase= birth rate subtract dealth rate= natural increase

canadas birth rate is 10/1000, Canadas dealth rate is 7/1000, that means canadas natural increase is 3 per every 1000.

Question 6

how do you calculate immigration, emigration and net migration rate?

Answer 6

Immigration- immigrants divided by total population multiplied by 1000
Emigration- emigrants divided by total population multiplied by 1000
net migration- immigrant rate subtract emigration rate

Question 7

what is and how do you calculate population growth rate?

Answer 7

Population growth rate is the measurement that combines both natural increase and net migration to calculate the overall growth of a country’s population.

how to calculate- natural increase rate plus the net migration rate

Question 8

what are causes for higher birth rates in the 18-1900’s?

Answer 8

people use to have more kids for many reasons, one being they needed more kids to work the land and second being that many of their kids would die early from things like diseases. they also had more kids because of religious beliefs and lack of knowledge.

Question 9

why have dealth rates changed drastically?

Answer 9

people are having less kids because they’re all living longer, and because of new medication less people are dying.

Question 10

what is the baby boom?

Answer 10

a baby boom is a period of time where the birth rates are high, for example after world war 2 there was a huge baby boom, those babies are now seniors.

Question 11

what questions does demography help answer?

Answer 11

• why are more schools closing then opening? (aging and moving factors)
• why will you likley work more years then your. parents before retirement (baby boom)
• why are old rock groups like the rolling stones still popular?

Question 12

how do demographers identity 3 important stages of life?

Answer 12

1. children (0-15) also called dependants
2. working adults (16-64)
3. seniors (65 and older) also could be dependants

Question 13

what age population is increasing ?

Answer 13

the seniors

Question 14

what are characteristics of a population pyramid ?

Answer 14

• paired horizontal bar graph
• females on the right, males on the left
• both sides show percentages of people in each age group
• allows you to easily compare countrys population

Question 15

what is the dependency load?

Answer 15

part of the population that needs to be supported, made up of the children and senior age groups

Question 16

what is the demographic transition model?

Answer 16

• created by thomas malthus

- how populations within countries change over time as they become industrialized

Question 17

what are factors affecting population changes?

Answer 17

increase- high fertility rate, low mortality rate, long life expectancy, health, political stability, job opportunities, immigration, safety, good living conditions

Decrease- the opposite