The approximate population of the earth. The population of the earth is about 6.6 billion (Wikipedia). Therefore, there are 6.6 billion people on the planet.
We’re not talking here about the number of people on earth as you know it; we’re talking about the total population, which includes all humans and non-humans on earth.
And we also aren’t talking about how many people are in a particular country; we’re talking about the total population, which includes all humans and non-humans living in that country.
Your product may be specific to one nation or to the entire world, but if your product is truly valuable then it needs to have universal value. After all, that’s what will make it stand out in a crowded marketplace: if people think you do something unique, then they will see you as a “whole package” solution and will buy into your brand as much as they did before discovering what your app does for them.
2. world population vs. human population
The first is intriguing but the second seems more profound and can be hard to believe.
The population of the world is estimated at 6,709,067,868 (2014), which is a number that seems pretty big. Here’s what kind of arithmetic would lead you to its conclusion:
In 2014 there were 2.9 billion people on the planet. This means that there are 1.2 billion people for every one person in China (1/2). The total population of the Earth thus equals 3.1 billion…or 0.37% of the world’s population (the difference between one and two).
If we could add up all those millions — and this should be done with a great deal of care — then they would be equivalent to 0.41% of the world’s population!
There are literally millions of people on Earth who have never met each other, who never had sex or had kids together…who have never shared a bed together or had a meal together…who have never driven past each other on a highway or crossed into each other’s countries for work in an airplane…and for whom it has never occurred to them that if you hadn’t been born then none of them would exist!
On the one hand, it is hard to accept this as true when you think about it; but on the other hand, it makes sense — because we are all complete strangers right now…because we have no place else to go…because we couldn’t imagine living anywhere else apart from where we live now…because our only choice was where we lived before we were born…because our only choice was what country we lived in when I was born…because my parents didn’t want me…because I didn’t want my kids to grow up without their parents…. Because you and I did not live before birth; therefore, neither does anyone else!
3. Estimating the human population
I’ve been asked this question a lot in the recent past. It has generally meant “how many people do you think are alive?” or “what is the approximate population of the earth?”
The answer to both is fairly straightforward. The population of the world as a whole is about 7.6 billion (including about 13 million in China). So, we can count on each planet having roughly the same number of humans on it at any given time: just like we can count on each planet being roughly circular, so too it turns out that there are quite a lot of people living on Earth and they live relatively close to each other (with less than 1% per square mile).
So, all our social problems — poverty, disease, war, overpopulation and so on — are all related to how many people there are rather than any one particular event or person that causes them. But what exactly does this mean?
Solving for population means finding the number of people who live somewhere in a given region, such as a city or an island. We can do this by looking at where they live, their numbers and their relationship to one another (which is usually reflected in their distance from one another).
For example: let’s suppose that every day some individual living somewhere near me goes to work and returns home at night. Then every day some other individual living somewhere near me must go to work and return home at night as well. But these two individuals may have different jobs or serve different roles for their communities; for example an urban skier may be involved in public transportation while he lives with his family in a rural village. So we can use this relationship between two individuals (or populations) as our basis for measuring distances between them: since distance depends upon both direction and speed, we can solve for this distance by multiplying by speed (for example 5 miles per hour = 5 miles) or by direction (for example north = north). This doesn’t solve everything though; if I am going south I will not be able to measure distance further south since if I am going south I must be heading east first!
Clearly, when talking about human populations there are lots of factors that go into measuring distance between us: climate, culture, economics, and more; but from here on my focus will be on the population itself.
To give you an idea of how far away we might imagine ourselves from others based on relationships between individuals: if
4. How many people are on earth right now?
This is an interesting question, but one that many people don’t think about much. I’ve seen in my own work that the number of people on earth changes somewhat from day to day, and over time it can get quite large. For example, in the 1970s, there were about 500 million people on earth; by 2010, there were 3 billion; and you can see how quickly that gets out of hand. There have been a lot of migrations over the past couple of decades (e.g., from Asia to Africa); globalization has led to a huge increase in global income and trade; and more recently the internet has made it easier to get around the world without going through borders (it’s now possible to go from one part of Europe to another), which means many more people are able to move around.
This is all great news for humanity, but is it good news for startups? Well, we think so — although these trends are not always easy to track — they largely explain why startups tend to grow so fast as they do:
• The internet allows potential customers all over the world access to better products at lower costs than ever before
• Globalisation allows companies with less capital than ever before access global markets at lower prices than ever before
• More people make a choice between cheaper options than ever before
• The ability for governments to tax companies that operate internationally (and have no local operations) makes globalization much more attractive than ever before
That said, if we take into account population growth over time — which continues at historically high rates — well… what are we talking about here? We are talking about some 30 billion people now and rising very rapidly. This means that even if you live in France or China or India or Mexico or Norway — or some other country where you can easily buy consumer goods with your credit card — then by 2030 you will be buying consumer goods with your credit card no matter where you live! This is a very big market! How big? Let me explain…
To put things into perspective: since 1950 total world population has been growing at an average rate of roughly 1% per year (a rate which is expected to continue well into 2030). Since 2000 alone, population growth has been similar to this pace with most of it coming from India and China. In fact, as far as I know, there has never been such rapid growth in any other country using this method (for good
5. How many humans have ever lived?
The following is a 2-minute video of the scientists Rick and Jack, discussing their work on the approximate population of the Earth. They explain how they discovered a number of estimates for the approximate population of the Earth, which has been published in different places at different times, and which sometimes agree with each other. The real question is: do those estimates add up to an exact answer?
This is probably the most important question for any scientist working on this problem. The first estimate we see was published by Daniel Dennett in 1960 in his book How Many People Have Ever Lived? At that time, he estimated that about 5 billion people had ever lived on this planet. Nowadays, more than half a century later, thanks to very accurate scientific methods (such as DNA analysis), we have an updated estimate: some 8 billion people have ever lived on this planet!
6. How many people have ever lived?
In the 19th century, there were about 2 billion people. Today, the global population is estimated to be 7 billion.
Nowadays, we tend to see this as a bad thing, because it’s harder to feed all these people. However, in terms of environmental impact, the world population per capita is a lot smaller than it was in the 19th century (though it may still be too much – nobody wants to live on the moon). In fact, some of the biggest mistakes that have been made with respect to population are along these lines:
(1) Being overly pessimistic about what our descendants will do with all this extra food and water (and not enough sunlight) and how it will affect ecosystems and climate.
(2) Ignoring how our lives depend on preserving ecosystems (and not taking such an extreme position that we should just let nature take its course).
In other words: if we want our children to survive and there are no alternative options available for them, then we need to make sure that there are enough people around for them to be able to live comfortably today and for their children in the future. At the same time though: if we want those people too, then we have a responsibility to actually ensure they can live comfortably without having all kinds of problems later on.
We’re living in an era where some of those problems are being corrected by things such as science fiction movies like Avatar and 3D printing technology. One thing is clear though: whatever you think about energy consumption or population growth (or lack thereof), you have nothing against science fiction movies or 3D printing technology — those things exist because they help solve hard problems in real life. They aren’t just movie-set fantasies — they show us how they work… so that we can improve them when needed.
The planet is a sphere, and the earth is located at the center of our solar system. The radius of this circle is about 6,378 miles (13,779 km).
So what do we know of the population of earth? A lot. In fact, there are so many parameters that it’s hard to even describe them all. We know that life itself has been around for billions of years. We know that it has been in decline since the beginning (due to various factors), but we also know that life on earth isn’t going to disappear any time soon. So we can have some idea about the factors contributing to its decline; however, we can’t say with certainty that it will continue indefinitely.
One source is tried-and-true: world population estimates from global intelligence agencies like CIA World Factbook and other government organizations like the UN Department of Economic & Social Affairs. The World Population Clock shows us how fast things are going up or down; some estimates put it at around 50% per decade (on average), while others put it at 150% per decade (~200% total).
But what if we don’t trust these estimates? What if they are wrong?
Well, one thing you should always keep in mind when using a source is that they might be wrong (they could be off by a factor of ten or more!). One thing you need to do before you accept a given estimate is to check their methodology and reliability; if an agency consistently spits out results somewhere between 300-400%, then chances are good that those numbers will be accurate for you as well.
## Quick Reference Guide to the Cheat Sheet
The population of the earth is approximately 6.8 billion people, most of them living in the Asia-Pacific region including Australia, India, Indonesia, Japan, Korea, and the Philippines. The UN estimates that this population is expected to increase by between 0.3% and 0.5% annually through 2030 (depending on fertility rates).
The following table gives a quick reference guide to the main numbers:
Year Population % change in percentage since 2011 2010 47 million +0.2% 2009 459 million -0.2% 2007 434 million -0.1% 2006 447 million -0.1% 2003 478 million +0.1% 2000 527 million +0.2% 1999 647 million -0.3% 1998 796 million +0.3% 1997 872 million -0.3% 1996 983 million -0.4% 1995 1138 million +0.4% 1994 1271 million -0.5% 1993 1398 million +1%.1%.2%.3%.4%.5%.6*.7*.8*.9* 98 . . . . . . . World Population Growth Rate Year Population % Change in Percentage Since 2011 2010 47 millions 51 millions 3 millions 3 millions Asia-Pacific:
Indonesia 52 millions 47 millions Australia 57 millions 48 millions India 59 millions 49 millions Indonesia 60 millions 50 millions Japan 66 millions 53 millions Korea 66 millions 52 millions Philippines 69 billions 53 billions Pakistan 71 billions 55 billions Russia 74 billions 58 billions South Africa 75 billions 58 billions Sri Lanka 74 billions 57 billions Thailand 75 billions 56illions United Kingdom 76 billions 56 trillions
The table is based on estimates published by the UN’s Population Division in August 2015 (for over 20 years), and excludes small countries such as Micronesia and Nauru that are not included in any of these projections (and whose populations do not appear on any of these lists).
I’ve also included estimates based on different ways one might want to calculate the world population growth rate (from now until 2050) with varying assumptions about future fertility rates, mortality rates, migration rates or other factors; for example, I’ve assumed a 2 percent annual growth rate from now until 2030 using data from 2004 to 2013 from the World Bank’s “World Development Indicators”, which shows that global GDP grew by 3 percent per year from 2004 to 2013, whereas UN projections show it growing at an average rate of 5 percent per year for the
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