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The rate at which population size grows or declines depends on the rate of what?
births, death, immigration and emigration
What does it mean if a population is in equilibrium?
The birth rate and the Death rate are equal, providing there is no immigration/emigration of the population.
How does emigration affect the birth and death rate of a country?
Emigration can lead to a decline in a country's birth rate, as it often involves younger individuals leaving, which can reduce the number of people in childbearing age. Additionally, as the population decreases, there may be less demand for resources and services related to family growth, further influencing birth rates. Conversely, emigration can impact death rates indirectly; for instance, if emigrants are primarily young and healthy, the overall mortality rate may decrease, but if older individuals or those with health issues leave, the death rate could potentially rise. Overall, the effects of emigration on birth and death rates can vary significantly based on the demographics of those leaving and the socio-economic context of the country.
How do birth rate and death rate affect a country's population?
If the birth rate is higher than the death rate, the population increases. If the death rate is higher than the birth rate, the population decreases.
When the death rate is higher than the birthrate?
The population decreases when the death rate is higher than the birthrate.
Which is higher Spain's rate immigration or emigration?
immigration
Formula for net migration?
immigration rate + emigration rate.
What were the causes for the expansion of the population of Bombay?
A higher birthrate than death rate. More immigration than emigration.
What are the four criteria for a population?
Population density, Immigration, Emigration Exponential Growth
How can populations change in size?
Populations can change in size due to factors such as birth rates, death rates, immigration, and emigration. If the birth rate is higher than the death rate and there is more immigration than emigration, the population will increase. Conversely, if the death rate is higher than the birth rate and there is more emigration than immigration, the population will decrease.
How does Immigration and emigration and natality rate and mortality rate affect population?
Immigration increases the population, because new individuals are entering the area. Emigration decreases the population, because individuals are moving out of the area. Natality Rate increases the population, because new organisms are born. Mortality Rate decreases the population, because the organisms are dying.
What are four main characteristics of a population?
Birth Rate, Death Rate, Immigration, Emigration
What are four factors that affect the size of population?
1) Death 2) Birth 3) Emigration 4) Immigration
The rate at which population size grows or declines depends on the rate of what?
births, death, immigration and emigration
How do you calculate emigration rate?
You can calculate a country's immigration rate in a manner similar to the calculation of birth and death rates. The immigration rate for Canada is 7/1000 (0.7%)
What are four factors that affect mortality rate?
Immigration, emigration, birth rate, death rate
What situation in which the birth rate plus immigration equals the death rate plus emigration is called?
zero population growth
