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What is population momentum in demography?

What is population momentum in demography?

Population momentum is a consequence of the demographic transition. Population momentum explains why a population will continue to grow even if the fertility rate declines. Population momentum is defined as the ratio of the size of the population at that new equilibrium level to the size of the initial population.

Which country has the greatest demographic momentum?

Tanzania
19. B According to the information, Tanzania has the greatest demographic momentum. The difference between its crude birth rate and crude death rate is an astonishing 25 points. These children will have children when they reach childbearing age, creating demographic momentum.

What stage does demographic momentum happen?

stage 3
Population momentum naturally occurs towards the end of stage 3 of demographic transition. Even though the birth rate may be falling in a country, the natural increase in terms of total number may be rising due to population momentum.

What is population momentum in sociology?

demographic change In population: Population momentum. An important and often misunderstood characteristic of human populations is the tendency of a highly fertile population that has been increasing rapidly in size to continue to do so for decades after the onset of even a substantial decline in fertility.

How is demographic momentum expected to impact the world’s population?

Under the assumptions of the momentum variant, the world’s population would continue to increase in the coming years and decades, reaching 8.3 billion in 2030 and 8.9 billion in 2050. Thereafter, the global population would stabilize at around 9 billion.

How are China and Japan different in their demographic momentum?

Japan has the highest level of population aging in the world, and China has been experiencing a very fast pace of the population aging process and has the largest older population. In addition, both countries had a quick growing rate of population aging.

Why is the demographic trap important?

The term “demographic trap” is used by some demographers to describe a situation where stage 2 persists because “falling living standards reinforce the prevailing high fertility, which in turn reinforces the decline in living standards.” This results in more poverty, where people rely on more children to provide them …

What is demographic instability?

The “demographic arc of instability” is created by highlighting countries with exceptionally young populations. Several countries in North Africa and Latin America are set to leave the arc before 2020 as their human capital and personal savings grow with their maturing populations.

What does demographic momentum mean?

Demographic momentum is the tendency for growing populations to continue growing after a fertility decline because of their young age distribution.

What US state has the most population?

By population, the United States of America is the third largest country in the world, falling far behind China (1.4 billion) and India (1.25 billion). Its most populous states are California (39.5 million) and Texas (27 million), and its most populous city is New York City (8.5 million).

What is the definition of Population momentum?

Population momentum. Population momentum refers to population growth at the national level that would occur even if levels of childbearing immediately declined to replacement level. For countries with above-replacement fertility, population momentum represents natural increase to the population.