Identify the four factors that affect the size of a country’s population.
Define natural change.
The difference between the number of live births and deaths per year.
Define net migration.
The differences between the number of immigrants and the number of emigrants, and is expressed as a net increased or net decrease due to migration.
Define birth rate.
The number of live births per thousand of the population per year.
Define total fertility rate.
The average number of children women will have during their fertile years.
Identify two reasons for changes in the fertility and birth rates.
Summarise the following reason for the decline in birth rate:
- Changes in the position of women.
Harper: Better education for women, who prioritise their career over starting a family.
- For example, in 2012, 1/5 of women aged 45 were childless which is double the amount of 25 years earlier.
Summarise the following reason for the decline in birth rate:
- Decline in the infant mortality rate.
Summarise the following reason for the decline in birth rate:
- Children are now an economic liability.
Summarise the following reason for the decline in birth rate:
- Child centredness.
What is the reason for the slight increase in births since 2001?
The increase of immigration because, on average, mothers from outside the UK have a higher fertility rate than those born in the UK.
What is the effect of fewer babies being born on the family?
What is the effect of fewer babies being born on the dependency ratio?
What is the effect of fewer babies being born on public services and policies?
Define death rate.
The number of deaths per thousand of the population per year.
According to Tranter, what was the main reason for the decline in the death rate from 1850 to 1970.
Infectious diseases such as: measles, smallpox, TB etc.
By the 1950s, what kind of diseases had become the main cause of death?
- Mainly affected middled aged and old people than the young.
Summarise each of the following social factors that had an impact on death rates:
Improved nutrition:
Medical improvements (After 1950’s):
Summarise the following social factor that had an impact on death rates:
- Smoking and diet.
Smoking and diet:
Summarise each of the following social factors that had an impact on death rates:
Public health measures:
Other social changes:
Define life expectancy.
How long on average a person in a given year can expect to live.
What is the difference in life expectancy for a baby boy born in 1900 as compared with a baby born in 2013?
Give one reason why average life expectancy was low in 1900.
So many infants and children didn’t survive beyond the early years of life.
For example, a newborn baby today has a better chance of reaching it 65th birthday than a baby born in 1900 has of reaching its 1st birthday.
What is the projected number of centenarians in 2100?
1 million.