The Human population Flashcards
Earths carrying capacity
Global population increases roughly 1 million people per day
Food deficit vs ongoing improvements
Factors that Drive Human Growth Population
Demography
Study of Human Population and Population trends
Factors that Drive Human Growth Population
Immigration
Coming into a population
Factors that Drive Human Growth Population
Emigration
Leaving a population
Change in Population Size
Crude Birth Rate (CBR)
Number of births per 1000 people per year
Change in Population Size
Crude Death Rate (CDR)
Number of deaths per 1000 people per year
Doubling Time
The number of years it takes for a population to double
The Rule of 70 tells you
The number of years it takes for a population to double
Doubling Time (year)
70/ Growth Rate
This occurs regardless of population size
Total Fertility Rate
Estimate of the average number of children that each women in a population will bear
Replacement- Level Fertility
the level of fertility at which a population exactly replaces itself from one generation to the next
Life Expectancy
The average number of years that an infant is expected to live
specific for country
specific for year
Infant/ Child Mortality
Infant deaths under 1 year old
Child deaths under 5 years old
