Population Definitions Flashcards
What is the definition of Death Rates?
The number of deaths per 1000 people in 1 year
What is the definition of life expectancy?
The average number of years from birth that a person can expect to live
What is the definition of longevity?
The increase in life expectancy over a period of time
What is the definition of natural change?
The change in size of a population caused by the interrelationship between birth and death rates
What is the definition of fertility?
The number of live births per 1000 woman aged 15-49 in 1 year
What is the definition of infant mortality?
The number of deaths of children under the age of 1 year expressed per 1000 live births per year
What is the definition of dependency ratio?
Balance between economically active/working population and the non-economically active/dependent population
What is the definition of support ratio?
The inverse of dependency ratio
pop. 20-59
- ————
pop. >19)+(pop. 60+
What is the definition of forced migration?
The migrant had to migrate because of circumstances:
- political unrest
- war ect.
What is the definition of international migration?
Movement of people across national frontiers for a minimum of 1 year
What is the definition of migration?
A permanent or semi permanent change of residence of an individual/group of people
What is the definition of net migration?
The difference between the number of in-migrants to the number of out migrants
In-migration>Out-migration = net migration all gain
Out-migration>In-migration = net migration all loss
What is the definition of voluntary migration?
The migrant makes the decision to migrate
What is the definition of sustainable development?
Managing the needs of the current population without compromising the needs of the future population
What is the definition of balancing population and resources?
Ensuring that the resources of an area are able to sustain a high quality of life for the population
