World Population Day 2022: Know History & Significance; India to surpass China's tally by 2023, says UN

The gradual rise will take the world population to 11 billion by end of the century, India will takeover China in the matter of 4 years

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Analyzing the parameter at which the population is increasing, every minute 270 children take birth around the globe, the world’s population to hit 8 billion by 2023. The world’s population reached a billion at the start of the 19th century. 220 years down the line, the scenario is such the world’s population is racing closer to 8 billion. It was in the year 2011 when the world population crossed 7 billion.

Since 1990 every year, July, 11th is observed as 'World Population Day.' On this day across the globe, governments, NGOs, and the designated wings of the UN-run awareness campaigns and people are involved in the dialogues pertaining to the rising population.


On this world population day we will tell you what led the population to grow at such an alarming rate and 5 major reasons after this:


High Birth Rate in between 18th-20th centuries:

One of the prime reasons behind this alarming rise in the population is the increase in Birth Rate. From the 18th till the end of the 20th century the birth rate was on the rapid rise. Around 250 years ago on average, a woman gave birth to 6 children and this situation remained for over 150 years. A slight relief in the case came in the year 1950 when the number came down to 5. After 1950 the birth rate gradually fell, but, meanwhile, the environment of population explosion remained to brew up. 
Especially in Asia, where the population increased rapidly in India and China. The birth rate at present stands at 2.5 children for each woman. Owing to the situation of high birth rate in the world, the global population reached 100 crores at the start of the 19th century. It took 123 years for the world population to reach 200 crores in the years 1927 and 300 crores in 1960. Once the population crossed 300 crores, every next 100 crores kept on getting added to the population in two decades.


Increase in the Life Expectancy:
250 years ago, the average life of humans was 28 years only, which has now increased to 70 years. If we take a look at the life expectancy scenario, the average age was just 28, which implies the majority of people died after attaining the age of 28. It is since the 18th century, that life expectancy is on the rise. There are 30 such countries where life expectancy is above 80 years and in 100 countries above 70. In India, this rate stands at 69.7 years.


Gradual decreasing Death rate:

One of the prime reasons among others for the huge population rise is the decreasing Death rate. It was in the year 1950 only when a gradual decrease in the both Birth and Death rate was observed. The number says that in every 1000 people, 20 died the number in 2020 stands at 8 only. Whereas the birth rate is still too high in comparison with the death rate.

 
Lack of awareness among women regarding contraception:
Earlier women had a lack of knowledge regarding contraception and methods to avoid pregnancy, which was one of the most prominent reasons behind the huge birth rate. If we take the case of the progressive nations in Asia, Latin America, and Africa, only 9% of the married couple made the use of contraception in 1960. But the scenario changed in by 1990, by this time every second couple made the use of pregnancy to avoid unwanted pregnancy. Today women are aware of the usage of contraception. As per the number revealed in 2015 64% of women were using contraception.


Decreasing Infant Mortality Rate:

Another major reason behind the exponential rise in population is the decreasing infant mortality rate. In the year 1990 where 93 children died among every 1000 newborns the status at present has improved due to medical intervention and the number in 2020 stands at just 37. However, infant mortality even depends on the factor where a child is taking birth. Even today in Sub-Saharan Africa in every 1000 infants 79 are dying, whereas the situation in America and Europe is far better, where the infant mortality rate is 6.


Rapid population rise and low Birth rate:

The major question that must ponder is amid the low birth rate how the population kept on increasing. The reason lies in the fact that the Birth rate tells us the half story of the population. When we look at the death rate we find that among every 1000 people the death rate stood at 7.6, whereas on the same number of people 18 are taking birth. Implying the birth rate is twice what the death rate is.

 
India on the top in population, and China’s population will decrease to half:

Around the globe, today 270 children are taking birth every single minute, which amounts to 13 crores in a year. The world is racing towards 8 billion now, the same number is expected to touch 11 billion by 2100. It is expected that India will become the most populous country in the span of 3-4 years. Whereas a report from the World Economic Forum says that there will be a huge fall in the population of India and China towards the end of this century. In the year 2100 India’s population will be at 1.09 billion, China will slip to the third spot and Nigeria will be the second-most populous country in the world.


Interesting Facts associated with the world population:

v  The world’s most populated city is Tokyo with 3.7 crores residents, and New Delhi is in the second position with 2.9 crores people. Whereas Shanghai is in third place with 2.6 crore people.

v  New Zealand has more wolfs than humans, In the year 1982, the population of New Zealand was 33 Lakh whereas the number of wolfs was 7 crore. That means for every 1 human New Zealand had 22 wolfs. At present, the country’s population is 50 Lakhs whereas the number of wolfs has decreased to 2.5 crores. Still, on every 1 human, there are 6-7 wolfs. 
v  Youth Population - Across the globe, the number of people below 30 years of age is more than 50%.

v  As per the report from the United Nations, the world population will increase by 2.2 billion in the next 30 years, whereas with 1.2 billion Africa will contribute to half of it. 

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