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- It took 124 years to reach between 1 and 2 billion, so they went from 6 to 7 billion in just 12 years
4 hours agoAuthor: Sanchit Srivastava
24 hours in 1 day, 60 minutes in 1 hour and 270 children in every minute … With this speed in 2023, the world’s population will reach 8,000 million. By the way, by the early 19th century, the world population had reached 1 billion. But after only 220 years, the world population will be 8 billion. The world population exceeded 7 billion in 2011.
So we tell you today, on the occasion of World Population Day, 5 reasons to move towards 8 billion …
First reason: high birth rate from the 18th to the 20th century
The first reason for this rapid rate of population is the increase in the birth rate. From the 18th century to the end of the 20th century, the birth rate was very high. Until about 250 years ago, a woman gave birth to an average of 6 children. This situation lasted for a hundred and a half years. In 1950 there was a slight decline. At that time, on average, each woman gave birth to 5 children. Since 1950, the birth rate has been steadily declining, but in the meantime conditions of population explosion have been created. Especially in Asia, where the population grew very rapidly in China and India. Today a woman in the world is giving birth to an average of 2.5 babies.
Due to the high birth rate, the world’s population grew rapidly after reaching 100 million in the early 19th century. It took 123 years for the world population to reach 200 million, in 1927 the world population reached the figure of 200 million. After that, the world’s population reached 300 million in 1960. Once the world’s population exceeded 300 million people, after that, every 100 million people in the world increased in just two decades. Through this table, understand how many years we became a population of 8 billion.
Second reason: increase life expectancy
250 years ago, on average, humans lived only 28 years, but today the average age has risen to 70 years. If we look at Life Expectancy, it is known that in 1770 the average age of people was only 28 years, that is, most humans would have died in 28 years. The average age of people in the world today is 72 years. Life expectancy has been increasing worldwide since the 18th century. Today there are 30 countries where the average age of people is over 80 years and in 100 countries the average age is over 70. In India this figure is 69.7 years. With these graphs, you understand how life expectancy in the world has increased.
The third reason – the steady decline in the mortality rate
One of the main reasons for the explosive rise in world population is the declining mortality rate faster than the birth rate. In fact, since 1950, there has been a steady decline in the birth and death rates. If we evaluate the figures, it is known that of 1,000 people died in 1950, 20 people died, now this figure has been reduced to 8 in 2020. However, the birth rate is still much higher than the mortality rate. Understand the comparison between the mortality rate and the birth rate in this table.
Fourth reason: lack of information among women about contraception
Before, there was very little information about contraceptives and methods of preventing pregnancy in women, due to which more children were born even though they did not want to. This is the fourth main reason for the increase in population. Speaking of progressive countries in Asia, Latin America, and Africa, in 1960 only 9 percent of married couples used contraceptives. But in 1990, 1 in 2 married couples began using contraceptives to prevent unwanted pregnancies. Today women are very aware of contraception. According to 2015 data, 64% of women now use contraceptives.
Fifth reason: a sharp decline in infant mortality
The fifth main reason for the world population to be 8 billion is the improvement in infant mortality. In 1990, where 93 children out of every 1000 died, this situation has now improved. Today it has reached the lowest level. In 2020, only 37 children out of every 1,000 died. However, the increase or incidence of infant mortality depends largely on where the child is born. Even today, 79 out of every 1000 children die in sub-Saharan Africa, while the situation is not so bad in Europe and North America. Only 6 out of every 1000 children die here. In Australia and New Zealand it is number 4.
Why did the population increase rapidly even after the birth rate decreased?
According to statistics, in 1951 a woman gave birth to an average of 5 children. Now in 2021 this figure has dropped to 2.5. Birth rates have dropped by half in the last 70 years. So now the question arises that, despite halving the birth rate, how did the world’s population grow so fast? In fact, the birth rate only tells half the history of the population. When we look at the mortality rate, we find that now every year 7.60 people die for every 1000 people, while about 18 people are born for every 1000 people every year. That is, the birth rate is more than 2 times the mortality rate. This is one of the main reasons for the increase in population.
India will be at the forefront in terms of population … China’s population will be halved
Worldwide today 270 children are born in 1 minute, which is 130 million in a year, soon the world’s population will be 8 billion, but this figure may reach 11 billion in 2100. It is believed that of in 3-4 years India will become the most populous country in the world. At the same time, a report from the World Economic Forum has stated that by the end of this century, the population of both India and China will decline significantly. India’s population will be 1.090 billion by 2100. China will rank third. At the same time, the population of Nigeria will be second in the world.
Some interesting data related to the population