migration to a distant destination that occurs in stages, for example, from farm to nearby village and later to town and city.
33. Population projection
estimates of future population size, age, and sex composition based on current data.
22. Pandemic
a disease that occurs over a wide geographic area and affects a high proportion of the population.
9. Zero population growth
when the total fertility rate ( measured as the average number of children born per woman between ages 15 to 44 years of age) or TFR is at 2.1 which is a stabilized population, one that does not increase or decrease.
48. Activity space
the space within which daily activity occurs.
49. Personal space
an invisible, usually irregular area around a person into which he or she does not willingly admit others; situational and cultural variable.
55. Chain Migration
migration of people to a specific location because relatives or members of the same nationality previously migrated there.
42. Refugee
people who are forced to migrate from their home country and cannot return for fear of persecution because of their race, religion, nationality, membership in a social group, or political opinion.
63. International Migration
permanent movement from one country to another.
16. Infant mortality rate
the number of infants per 1,000 live births who die before reaching one year of age.
