Global Population Change

Birth rate - A measure of an area's fertility, expressed as number of births per 1000 people in a year

Death rate - The number of deaths per 1000 people in a year

Fertility rate - Number of live birthds per 1000 women 15-49 in a year

Infant mortality rate - Number of deaths of children below 1 year old expressed as per 1000 live births per year

Longevity - Increase in life expectancy over a period of time. Direct result of improvement on economy and medical provision. Creates an older population.

Natural Change - Change in size of a population caused by the interrelationship between birth and death rates.

Forced Migration - The migrant has to migrate because of circumstances

International Migration - The movement of people across national frontiers, for a minimum of 1 year (UN Definition)

Migration - Permanent or semi-permanent change of the resistance of an individual or group of people

Net Migration - The difference between numbers of in-migrants and out-migrants in an area. When in exceeds out theres a net migrational gain. When out exceeds in there is net loss.

Rural-Urban and Urban-Rural Migration - Less developed countries=Rural-Urban, Urbanisation Developed countries=Urban-Rural, Counter-Urbanisation

Voluntary Migration - The migrant makes the decision to migrate

Refugees - Persons unable or unwilling to return to their homeland for fear of persecution, based on reasons of race, religion, ethnicity, or polotical opinion.

Asylum Seekers - Formal application by a refugee to reside in a country when they arrive in it