
A
report presented at the 2015 Joint Statistical Meetings by John R.
Wilmoth, director of the United Nations Population Division suggests
that unless governments around the world take urgent steps to curb
fertility rates, the total population of the world will balloon from the
present 7.3 billion to about 9.7 billion by the end of 2050 and to 11.2
billion by the time the century is over.
Wilmoth’s report models demographic
representation of how the world’s population might inflate so high
within the century that public health and the economy would be in
trouble. The population expert noted that parts of Sub-Saharan African
will drive the population explosion the world over, and any chances of
decrease within the century is only 23%.
Wilmoth and his team use historical data
to plot his demographic model, and this shows that the population of
people everywhere on Earth might range from 9.5 to 13.3 billion by 2100.
The United States currently has a population of about 322 million, and
it feared that this might rise to nearly 450 million by the end of 2100 –
because the population will be growing by about 1.5 million per year.
African countries, which has about 1.2
billion people for now, will drive the population explosion all over the
globe; meaning the whole African population might rise to between 3.4
billion and 5.6 billion by 2100. The fertility rate in Africa is very
high, and also unchecked. While it can be argued that the fertility rate
has been dropping for the last decade, the rate is about one-fourth
those of Asia, Latin America and the Caribbean experienced in the 70s.
Considering the fact that Nigeria has
very high fertility rates with a current population of about 182
million, this is certain to rise to about 752 million by 2100 unless
fertility rates are checked. Meanwhile, population projections do not
always occur exactly the way it is modeled, but the fact is that the
population of Nigeria will still rise to over 439 million by the time to
century is over – nearly 2.5 times its current population.
To this end, public health facilities,
education, the environment, and the economy will either suffer or be
affected in no small measure unless drastic measures are taken to
cushion the effects of the population growths.
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