Demography The Study of Population Population Issues World

Demography The Study of Population & Population Issues

World Population Patterns

Birth Rate: # of births in a country for every 1000 people in the pop. Total births in one year population size ( in middle of year) X 1000

Birth Rate Highest B. R. - Niger 50. 54 Lowest B. R. – Japan 7. 3 Canada – 10. 28

Death Rate: # of deaths in a country for every 1000 people in the pop. Total deaths in one year X 1000 population size ( in middle of year)

Death Rate Highest D. R. – Angola 23. 4 Lowest D. R. - United Arab Emirates – 2. 06 Canada – 7. 98

Natural Increase Rate: difference between Birth Rate and Death Rate of a country BR - DR = NI http: //www. worldlifeexpectancy. com/index. php

Natural Increase

Immigration / Emigration / Net Migration Immigration Rate: # of people who permanently move to a country Emigration Rate: # of people who permanently move from a country Net Migration Rate – difference between IR and EM (IR-EM) Trinidad and Tobago -11. 2 UAE 24. 41 Canada 5. 62

Population Growth Rate: rate at which a country’s population is changing. (BR-DR) + (IR - ER) = Pop. Growth

Population Growth Rate Highest P. G. – Zimbabwe 4. 31% Lowest P. G. – Bulgaria -0. 781% Canada - 0. 794%

Dependent vs. Working Population Dependency Load: % of population that is ≤ 14 years old and 65 and older Age Dependency Ratio: ratio of people in “dependent” ages to those in the “working” ages. Dependent Population ≤ 14 + population 65+ Working Population 15 -64

Age-Dependency Ratio Highest A. D. R. - Uganda 1. 12 (11 dependent people for every 10 working) Lowest A. D. R. - United Arab Emirates - 0. 3 (3 dependent people for every 10 working) Canada – 0. 44

Infant Mortality Rate: # of children, in a country, who die in the first year of life for each 1000 live births. # of babies that died before 1 st birthday Total # of live births in middle of year X 1000

Infant Mortality Rate Highest I. M. R. - Angola 175. 9 Lowest I. M. R. – Singapore 2. 32 Canada – 4. 92

Life Expectancy: the average # of years a person is expected to live from birth. Population Pyramid: a special type of graph that summarizes the age and gender structure of a population.

Life Expectancy Highest L. E. - Japan 82. 25 Lowest L. E. – Angola 38. 8 Canada – 81. 4

Total Fertility: average # of children that each woman could have during her fertile years (15 -45)

Fertility Rate Highest F. R. – Niger 7. 6 Lowest F. R. – Singapore 1. 1 Canada – 1. 58

Replacement Rate: is the total fertility rate that produces a natural increase rate of 0. This value does not take immigration into account Standard replacement rate is 2. 1 (country’s population remains the same - no growth)

Doubling Time Rule of 70: a way to estimate how long it would take for a country’s population to double 70/country’s growth rate = number of years in which a country’s population will double