#1
What is the current world population estimated to be?
Approximately 7.8 billion
ExplanationAn approximate estimate of the global human population.
#2
What is the population pyramid used for?
To analyze age and gender distribution of a population
ExplanationTool for assessing population demographics.
#3
Which factor does NOT contribute to population growth?
High death rates
ExplanationHigh death rates hinder population growth.
#4
What is the term for the movement of people from rural areas to urban areas?
Urbanization
ExplanationShift from rural to urban living patterns.
#5
What is the population density?
The number of people per unit of area
ExplanationMeasurement of population per unit area.
#6
What is the sex ratio?
The ratio of male to female population
ExplanationComparison of male to female population numbers.
#7
Which region has the highest population density?
Asia
ExplanationAsia holds the highest density of population per unit area.
#8
What is the demographic transition theory?
A theory that explains changes in fertility, mortality, and population growth rates
ExplanationTheory elucidating shifts in population characteristics over time.
#9
What is the dependency ratio in demographics?
The ratio of children to working-age population
ExplanationIndicator of the burden on the working-age population.
#10
What is the meaning of demographic transition stage 3?
Declining birth and death rates
ExplanationPhase characterized by reduced birth and death rates.
#11
Which country has the lowest total fertility rate?
South Korea
ExplanationSouth Korea has the lowest fertility rate among nations.
#12
What is the doubling time of a population?
The time taken for a population to double
ExplanationDuration needed for population to double in size.
#13
Which country has the highest population growth rate?
Nigeria
ExplanationNigeria is experiencing the most rapid population growth.
#14
What is the replacement level fertility rate?
2.1
ExplanationFertility rate at which a population replaces itself.
#15
Which country has the highest life expectancy?
Japan
ExplanationJapan boasts the highest life expectancy globally.
#16
What is the net migration rate?
The difference between immigration and emigration
ExplanationDiscrepancy between immigration and emigration rates.
#17
What is a megacity?
A city with a population of over 10 million
ExplanationUrban center with a population exceeding 10 million.
#18
What is the demographic dividend?
An increase in the working-age population relative to dependent population
ExplanationUpsurge in working-age population versus dependents.