For
roughly the past 60 years, there has been discussion about the population of
the world, and whether or not we will reach our carrying capacity. To reach
carrying capacity would mean that the number of people on the earth would have
just the right amount of resources to survive. However, this is not an easy
thing to measure, and has much variance around the world. There are places that
people have more than enough, as well as places where people are running out of
supplies. The world is too large of a scale to look at. By narrowing our lens,
we can see effects of population control in areas, and how it affects the
demographics of the countries being studied.
There are many
varying predictions as to how much the population will grow, and which
countries will have the highest over the next few years (Barnes). While predictions
help us to plan for the future, there is so much variance in them that they may
not even be useful. For example, the population of the world varies between
whom you ask. Some estimates lead us to believe that we could be between 9 and
13 billion after the 21st century (Mazur).
It truly shows us how little we know about how our population is going to grow.
One tool that can be used is a
population pyramid. It gives us a good idea of what the demographics of the
population looks like, and what is to be expected in the years to come in the
work force. Fig. 1 shows the 2014 population pyramid of China. The fact that it
is decreasing as the population goes down is not a good sign, and will probably
lead to issues in the years to come.
Figure 1: Population Pyramid for China in 2015. Notice how it is not a traditional pyramid, but that it cuts back below the age of 40.
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Since 1972, the
One-Child Policy of China has been limiting the number of children being born
in the country. This policy was in place to reduce the rate of growth and the
size of the population so that the famines and crop issues that had plagued the
country would be less impactful (Clarke).
Surely at the time, it would have made sense to reduce the population size, but
the time for it has come to an end. Due to the policy, the large working class
is growing old too fast, and there is not enough replacement coming from the
younger population to fill all the jobs available.
Figure 2:
Here, China looks like they are overpopulated, but in fact, their population is
growing so slow, they will soon begin to decrease if a change is not made. The
hope is that the change of the One-Child Policy will help to correct this
issue.
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In
2015, the fertility rate for a woman in China was 1.05, (the lowest in the
world) thanks to the one-child policy (Tatlow).
This rate was low, and as a result is putting major strain on the economy and
the workforce. Starting in 2016, the One-Child Policy was revised, allowing
many more people to apply for a second child. This was a huge step, as the
government saw the effects of not having a large enough working class and had
to change their policy to increase the population.
After a year of the policy being in
place, the birth rate has risen by almost 8 percent, adding about 1.3 million
more children to the country’s population (Haas).
They hope that over the next few years the fertility rate would continue to
increase to better stabilize the population. Some citizens think that other
changes need to be made to make it even easier for the population to grow. One
of the most prominent ideas is to allow single women or gay couples to become
pregnant. This would allow a significant proportion of the population that is
currently restricted to begin a family. This
policy has driven a large portion of these people out of the country so that
they could pursue the life they desire. By revoking it, they would keep these
people from emigrating, and they would also get the increase in the fertility
rate (Tatlow).
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