2684561
Description
Flashcards by Phoebe Fletcher, updated more than 1 year ago
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Created by Phoebe Fletcher
over 9 years ago
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| Question | Answer |
| Birth Rate | Number of live births per thousand people per year |
| Death rate | Number of deaths per thousand people per year |
| Life expectancy | Average number of years in which individuals are expected to live, depending on where and when they are born, and spend their lifes |
| Demographic Transition Model | A theory of population over time, that seeks to explain population increases and decreases through variations in the birth rate and death rate |
| Natural Increase | In population studies when the birth rate is higher than the death rate |
| Infant Mortality | The number of deaths of infants below one year of age, of every thousand live births in a population |
| Distribution | The natural arrangements of animals or plants in particular regions or districts |
| Rural-Urban Migration | The movement of people from rural areas to urban areas |
| Older dependency ratio (ODR) | The number of people aged 65 and over for every 100 people of working age |
| Dependency Ratio | The proportion of working (economically active) people to non-working (elderly/youthful dependents) people in a country |
| Ageing population | When the average age of a population is rising, e.g. Japan |
| Fertility | The number of live births per 1000 women aged 15-49 in 1 year. Also defined as the average number of children a women will bear, if the population is higher than 2.1 then the population will replace itself |
| Population Structure | The breakdown of a countries population into groups defined by age or gender. |
| Natural Change | The change in size of a population caused by the interrelationship between birth rates and death rates. If the Birth rate is higher than the population will increase, if the death rate increases than the population will decrease |
| Longevity | The increase in life expectancy over a period of time. This is of a direct result of better medical provisions, and increased levels of economic development. |
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