0
What does the population do when the number of births is greater than the number of deaths?
Wiki User
∙ 12y ago
It increases.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What is The state of a population where the number of births plus immigrants equals the number of deaths plus emigrants?
That would be called a "stable" or "static" population - essentially unchanging.
Formula of death Rate?
usually birth and death rates are calculated based on 1000 people, not per capita (1 people), because per capita rates are very small. Nonetheless, both per capita rates are calculated by simply dividing the total number of births (or deaths) by the total population. The total population should be the one at the beginning of a specified period (or, better, an average for the entire period) whereas the births /deaths are counted for the entire period. For example, China had an estimated population of 1,300,000,000 in January 2005. In the whole year 2005 about 17,100,000 births were expected. This corresponds to a per capita birth rate of 17.1 mio./1300 mio. = 0.01315 Similarly China's per capita death rate can be estimated to be about 0.00694, which means the Chinese population is growing overall.
Replacement rate the number of births needed to keep a population at a stable level without immigration requires a total fertility of?
2.1
How does the definition of deathrate and birthrate differ?
Birth rate means the number of births per thousand persons in a particular year and at a particular area.Death rate means the number of deaths per thousand persons in a particular year and at a particular area.
What do you understand by birth and death rate?
I understand by birth and death rate is that it is a statistic kept by National Government, county and local councils to enable forward planning. It should be an indicator of where resources are best used to the advantage of society, as a whole.
What does zero population mean?
Zero population means that there is no growth in the number of people or animals or plants in an area. The number of deaths equal the number of births.
What is The state of a population where the number of births plus immigrants equals the number of deaths plus emigrants?
That would be called a "stable" or "static" population - essentially unchanging.
What must be true for a population to remain constant over time?
The number of births has to equal the number of deaths for zero population growth (ZPG). This is assuming there are no immigrations/emigrations into/out of the population.
The number of births is a process that affects population size Name three other process that also affect whether a population will increase or decrease in number?
I mmigration and emigration; birth and deaths
When the number of births plus immigration exceeds the number of deaths plus emigration will population size increase?
Yes. If there are more "coming" than there are "going" then the numbers increase.
How is a populations growth in rate determined for growth rate to be zero what must occur?
The number of births must be the same as the number of deaths in a population for a growth rate to be zero.
What is the relationship between birth rate and death rate?
There are more people who are born then die.
What would be the decrease in population a year if no children were born?
Without births, the population decrease would be the same as the number of deaths, which is generally between 57-58 million a year.
What factors can change a population's size?
Birth Death Immigration Emigration In addition the availability of resources such as food, water, space etc ; the presence of predators, climatic conditions, natural disasters, epidemics also could affect a population size.
What is the population of Reading Pennsylvania?
The population of Reading, Pennsylvania was, at the time of the 2011 U.S. Census, 88,414. It is difficult to know how many births and deaths have occurred since then, so this number is only an estimate.
Formula for population growth?
There are a number of formulas that will work to calculate a population's growth rate. You could use births minus deaths in a year for example.
What is the birthrate and death rate?
Birthrate is the number of live births per thousand of population per year, while death rate is the ratio of deaths to the population of a particular area or during a particular period of time, usually calculated as the number of deaths per one thousand people per year.
