Timelines

The 20 Largest Cities in the World from 2800 BC to 2100 AD

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Let’s take a incredible journey through history to see the world’s largest cities over time with this animated visualization. This video, created by CityGlobeTour on YouTube, reveals the 20 largest cities in the world at any given moment throughout history from 2800 BC to 2100 AD. Hit play to live through the rise and fall of nearly every civilization of human history.

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Starting in the year 2800 BC, the largest city by population was Uruk, Iraq. At a population of 80,000 people, Uruk had double the number of the next largest city which was also located in Iraq, the city of Larak; which had a population of 40,000. Out of the 14 cities listed in the year 2800, ten are located in Iraq, three are in Syria and one is in Iran. By 2500 BC, Uruk’s population is still the largest however it has shrunk to just over 46,000 people and the city of Mari in Syria has moved up the list with a population of 43,853. Just a few hundred years before in 2730 BC, the city of Mari had a population of just 13,797. Jumping even further to 2000 BC the moving chart shows that Egypt and Pakistan are added to the mix and in 1930 BC the city of Memphis Egypt jumps into the number one spot with a population of 56,517. It isn’t until the year 1660 BC that China pops up on the list and very quickly jumps to the top four largest with the city of Erlitou, population of 39,813. In 1500 BC Greece has had a boom in the city of Knossos, population of 42,857. It isn’t until the year 1300 BC that a city has a population of more than 100 thousand. Thebes (Luxor) in Egypt tops the list with 100,726 people in the city. As you can see, this animated bar graph is super interesting, and spoiler alert: it gets even more interesting! As you continue your way through the animation, you’ll notice the US first appear in the year 1834 with New York City’s population of 255,797!

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Charts

Chart Shows Inflation is Outpacing Teacher Salaries (1990-2022)

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Schools in the US are facing a lot of problems and one of the biggest is how they treat their teachers. If you have ever been on the r/Teachers subreddit then you know exactly what I am talking about. The subreddit is becoming more and more filled with complaints about teaching. The complaints range from disinterested kids and unruly parents to administrators that seem to care about state-sponsored standardized test scores more than anything else.  You would think that with all the teaching shortages and the upheaval created by the COVID-19 pandemic, teachers would be seeing an increase in salaries, but this graph shows that new teachers today are actually earning 11% less than their peers from 30 years ago.

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inflation-outpacing-teacher-salaries-chartistry

 

With inflation in mind a starting teachers salary today should be around $46,762 but today they are only making around $41,780 on average. Looking at the graph you can see that since 1990 the salary with inflation and the actual starting salary have been pretty close to one another until you get to 2022 where you see such a large difference. If things don’t change soon, students will continue to suffer. Students are already considered to be behind due to disruptions from the pandemic. Good teachers are needed now more than ever, so let’s pay them what they deserve.

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Timelines

How the Price of a Big Mac Has Changed Around the World (2000-2022)

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The iconic Big Mac is a two-beef patty, three bun delicacy topped with iceberg lettuce, American cheese, pickles, chopped onions and the super secret Mac Sauce. In 1968, it was so popular with its limited release in Pennsylvania that it was rolled out to every McDonald’s restaurant across the United States. That popularity never waned and there is now an entire economic phenomenon known as ‘burgernomics’ modeled from the Big Mac. Economists will use the price of the big mac as a way to gauge inflation rates and economics across globe. Today the Big Mac is up 40% from 2010. We can see in this video visualization by /u/jcceagle that follows the price of a Big Mac over the last 20 years, just how different cost can be across the globe and over time.
In the year 2000 Norway had the most expensive Big Mac for $4.09, while in the Philippines it cost $1.17. Eight years later, Norway still tops the charts with the most expensive Big Mac but instead of just over four dollars, it increased to $7.88. At that time in the US a Big Mac cost $3.57 while the cheapest was found in Malaysia for $1.70 and the Philippines increased to $1.96. In July 2017 the most expensive Big Mac was down across the board from 2008 to $6.74 in Switzerland. That same year a Big Mac in the US would have cost you $5.30 and $1.70 in the Ukraine. The video also shows an index of currency valued relative to the US dollar where you can see the values changes across the different currency around the world.

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Interactives

150 Years of U.S. National Debt in One Chart

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Today, the national debt of the United States of America stands at an eye-watering 28 trillion dollars and rising. The CARES Act of 2020 and other stimulus bills due to COVID have added massive increases in a short period of time. To see how we got to this place to being with Visual Capitalist has this great interactive timeline of US debt over the past 150 years.

Click below to use the interactive version

150-years-us-national-debt-chartistry

Starting in the year 1900 only 4.8% of the total national debt was held by the public. After World War I in 1910 that percentage jumped to 10. In 1920 following the Great Depression that number doubled to 22.9%. Ten years later that number would be in the billions, 16 billion to be exact with President Roosevelt’s New Deal in 1930. World War II would see this number jump to 40 billion or 75.1% of the GDP. The Korean War of 1950 would add hundreds of billions to the debt clock in only ten years bringing the total in 1950 to $257 billion but bringing the GDP down to 56.8%. The next big increase would come in 1980 when president Reagan introduced his tax cuts causing the gross debt to jump to over 900 billion. Ten years later it would see another massive jump to over $3,233 billion dollars with the Gulf War. Thirty years later the COVID-19 pandemic caused the average debt held by the public to sky rocket to 105.6 percent in 2020 , over $27,748 billion dollars. By 2050 it is estimated that the percentage of debt held by the public will be almost 200 percent.

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