Maps
The Population Density of Europe (and the World) in Two 3-D Maps
How many people live in Europe? The population of Europe is around 745 million people, or 10% of the world population. Internationally recognized data analyst, mapmaker, author, and visual storyteller Alasdair Rae has transformed this figure into a captivating population density map of the entire continent! Check it out:
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Rae states: “The maps below use 1km x 1km data and the height of the bars represents the number of people living in any one square. The big squares are 50km x 50km (about 30 miles) and are there to provide sense of scale. The highest 1km densities are found in Spain and France, and Madrid, Barcelona and Paris in particular where you get values of more than 50,000.” You can explore more detailed sections of Europe here, as well as the creator’s insights and methods. You can also other fascinating data visualizations, such as the most densely population square kilometer in every U.S. state!
This got me thinking – what would an entire world map made like this look like? He actually made a complete map too! I wanted to provide both maps to provide a more “big picture” understanding of scale.
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As you can see, in the grand scheme of the whole planet, Europe’s population density seems so humble. So what are the most densely populated cities in the world based on people per square kilometer? Try to take a guess based off of this map (test your geography knowledge!) and then check the list:
- Manila, Philippines (Asia) – 43,062
- Mandaluyong, Philippines (Asia) – 38,495
- Pateros, Philippines (Asia) – 37,061
- Caloocan, Philippines (Asia) – 31,233
- Bnei Brak, Israel (Asia) – 30,001
- Kathmandu, Nepal (Asia) – 29,161
- Dkaka, Bangladesh (Asia) – 29,069
- Makati, Philippines (Asia) – 28,975
- Port-au-Prince, Haiti (North America) – 27,395
- Levallois-Perret, France (Europe) – 26,713
The European city with the highest population density is Levallois-Perret in France, but it is nearly 20,000 people per square kilometer less than Manila, the most densely populated city in the world. While Americans in New York City or Los Angeles may fret over crowds and traffic, the truth is, none of America’s cities even rank in the top 50 for population density.
Houses aren’t cheap these days. In fact, they are so not cheap that millions of young Americans are holding off on buying a home and are instead opting to rent for the foreseeable future. “Just how bad is it?”, you might be wondering. Well, this new visualization from construction app maker Builder Pad forces you to look at the problems the United States is facing in the real estate market in an entirely new way. From this perspective, you are able to see how much smaller a house you’ll be able to afford today vs. 2018 for the same amount of money. So, how much smaller has a $500,000 home become in your state?
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In order to reveal which states have the fastest-rising real estate prices, Builder Pad analyzed median listing prices by state in two distinct ways. First, is by percentage of square feet lost over the five year period between 2018 and 2023. The state that was hit the hardest in this metric is Montana where a $500K house is now 50.15% smaller. Just typing that out blows my mind.
The second metric used in this study is square feet lost over the same 5-year period. The state that lost the most square feet in a $500,000 house is Kansas with a drop of 2,280.26 square feet. That’s the equivalent of losing five (5!) two-car garages in living space. With virtually no end in sight for this real estate conundrum, what will be the straw that breaks the camel’s back?
Gems like rubies, emeralds, and diamonds are found in jewelry all over the world. Some countries are known for their prolific gemstone production. Do you know the countries are the biggest sources of each gemstone?
BriteCo, a jewelry insurance company, analyzed data from the U.S. Geological Survey and the International Gem Society to visualize the countries that produce the most of each type of gemstone.
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The graphic utilizes a world map to show which country produces the most of many different types of gems. The visualization also includes beautiful depictions of each gem included on the map as well as the kilograms of gemstones produced between 2016 and 2020.
These are the top-producing countries of some of the most popular gems:
- Amethyst: Zambia (4,465,166 kilograms)
- Diamond: Russia (22,720 kilograms)
- Emerald: Zambia (129,400 kilograms)
- Garnet: Tanzania (765,768 kilograms)
- Pearl: Burma (9,245 kilograms)
- Quartz: Brazil (69,830,000 kilograms)
- Ruby: Tanzania (99,000 kilograms)
- Sapphire: Kenya (45,339 kilograms)
- Topaz: Nigeria (77,793 kilograms)
- Turquoise: Iran (105,000 kilograms)
Overall, the top producer of gems around the world is Tanzania. The country is the top producer of six gemstones on the list (aquamarine, garnet, ruby, sunstone, tanzanite, and tourmaline). In fact, the name tanzanite was given to the gem by jewelry giant Tiffany & Co. in the 1960s to highlight how it can only be found in Tanzania. The mining area for tanzanite is just 7 kilometers (4.3 miles) long and 2 kilometers (1.2 miles) wide in the Manyara region of Tanzania. Tanzanite was named as a December birthstone in 2002 by the American Gem Trade Association.
Wondering where in the world you’re most likely to get some action? The NapLab team created a Global Promiscuity Index that compares different factors including average number of sexual partners, STD rates, mean age when virginity was lost, and how much of the population finds premarital sex morally acceptable. See which country ranked highest!
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The visualization utilizes a heat map of the world to show which countries rank highest and lowest on the list. Underneath the world map is an explanation of how the scores were calculated as well as a breakdown of all the data for each country that is included.
The country that earned the top spot on the promiscuity list is Australia, with an index score of 360.14. The mean age that Australians lost their virginity is 17.9, and the average number of sexual partners is 13.3. 81% of people think that premarital sex between adults is not a moral issue. Prostitution is also legal in the country.
Of the 45 countries included in the graphic, the country that ranks last on the list is India. The mean age when residents lose their virginity is 22.9 and the average number of sexual partners is 3. Only 21% of people in India think that premarital sex is morally acceptable.
The following are the top scores for each of the factors included in the ranking:
- Mean Age Virginity Was Lost: Iceland (15.6 years)
- Average Number of Sexual Partners: Turkey (14.5)
- STD Rate Per 100,000 People: South Africa (32,054)
- Percentage of People Who Think Premarital Sex is Morally Acceptable: France (94%)
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