Demographics Flashcards
Dependency Ratio formula
of persons aged below 15 + # of persons aged above 65 / # of persons aged 15-65 x 100
Doubling Time
The amount of time a given population will double in size
Fertility Rate + Replacement fertility rate
The average amount of children a woman will have within her reproductive lifetime
A woman who starts having children at 15 is likely to have more children than a woman who begins at age 55.
The ability for the amount of children a woman has to replace the parents within the population.
Mortalilty Rate
The number of people dying per 1000 within a population
Lifespan + Life Expectancy
Lifespan is the average amount of additional years a person is expected to live
Life expectancy is the number of years an individual is expected to live
Population Growth Rate formulae
(Birth-Death)+- Net migration/ Total Population x 100
Birth rate -death rate/10
Fertility Rate formula
Number of births/ number of women aged 15-49x 1000
Number of births to women in a particular age group/ Number of women in that particular age group x 1000
Migration rate
number of immigration- number of emigrants-/ total population x 1000
What heath and safety measures improved living conditions and increased the population
Improving Urban sanitation and waste removal
Improving the quality of water supply and the access to it
Forming public health boards to detect illness and quarantine the sick
Researching causes and means of transmission of infectious disease
Developing vaccines and antibiotics
Adopting workplace safety laws and limits on child labor
Promoting nutrition through steps such as fortifying milk bread and cereal with vitamins