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Beautiful Maps of the World’s Watersheds

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Nothing is more fundamental to life than water – and this is particularly evident in a country like Egypt, which has been aptly described by Greek historian Herodotus as the “Gift of the Nile”.

In Egypt, an astonishing 95% of the population lives alongside the mighty Nile, which is the world’s longest river at 4,258 mi (6,853 km) and also the only major source of freshwater in an otherwise arid desert landscape.

The World’s Watersheds

The Nile isn’t alone in creating the right conditions for life. Rivers of all sizes help form the world’s watersheds, and together they comprise a “circulatory system” that pumps life into every corner of the globe.

Today’s stunning maps, via geographer Szűcs Róbert, divide our planet’s watersheds into colorful catchment areas, and provide an informative look at how water flows across continents.

European Watersheds

When Rivers Take the Long Way ‘Round

Grade school physics teaches us that liquid water will take the most available path of least resistance. Sometimes though, that most available path can take water from mountains clear across a continent before reaching an ocean.

river basin map south america

Nowhere is this more evident than in Peru, home of the glacier-packed Cordillera Blanca. As rain and meltwater begins flowing from the peaks of the Andes Mountains, there are two diverging paths to the ocean.

The journey to the Pacific Ocean is a quick one, and there are small rivers at regular intervals along the coast of Peru.

Because trade winds blow east-to-west in that region, most of the water flows down the eastern side of the Andes, the beginning of a journey across the continent (as demonstrated by the light blue section of Róbert’s South America map.)

Without the Andes acting as a backstop for rain, the Amazon rainforest would not exist in its current scale and form.

When Three Become One

united states watershed map

In the United States, the dominant drainage basin is the Jefferson-Mississippi-Missouri River system (shown in pink on the map above.) This massive basin collects water from over 40% of the contiguous U.S., and comes into contact with two Canadian provinces and 31 states before terminating at the Gulf of Mexico.

The Top Ranked Rivers

The Amazon discharges far more water than any other river on earth, dumping more water per second into the ocean than the next four largest rivers combined. That makes the Amazon a clear winner in this category.

In terms of drainage area though, the Amazon is not as dominant:

largest rivers drainage

In fact, there are multiple rivers that cover massive drainage areas. This includes the Congo in Africa, as well as the mighty Mississippi, which is neck-and-neck with the Nile.

For more, view the full collection of maps here.

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Misc

Charted: Car Brand Loyalty in 2024

This ranking of car brand loyalty shows what percentage of owners would buy from the same brand for their next vehicle.

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Car Brand Loyalty in 2024

This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources.

This graphic visualizes the best and worst car brands in terms of brand loyalty. This is measured by the % of current owners who would buy from the same brand for their next vehicle.

Data comes from Consumer Reports’ owner satisfaction survey, which includes responses from owners of more than 330,000 vehicles.

Car Brands With the Most Loyal Customers

Rivian takes the top spot in this ranking, with 86% of owners saying they would buy from the brand again. The EV startup has carved an interesting niche for itself with its outdoor adventure-focused models, and despite several recalls, appears to have won the hearts of its early customers.

Company% who would buy again
🇺🇸 Rivian86
🇩🇪 Mini77
🇩🇪 BMW76
🇩🇪 Porsche76
🇺🇸 Tesla74
🇰🇷 Genesis73
🇯🇵 Lexus73
🇯🇵 Subaru70

It’s interesting to note that Tesla held the #1 spot in last year’s ranking.

Car Brands With the Least Loyal Customers

At the other end of the spectrum we have brands with the least loyal customers, suggesting that owners are less satisfied with their purchase.

Company% who would buy again
🇺🇸 Cadillac61
🇺🇸 Chrysler60
🇩🇪 Mercedes-Benz59
🇩🇪 Audi59
🇺🇸 Jeep58
🇯🇵 Nissan55
🇩🇪 Volkswagen51
🇯🇵 Infiniti43

At the bottom of this table is Nissan’s luxury marque, Infiniti, with only 43% of owners saying they would revisit the brand for their next car.

Infiniti dealerships are aware of this alarming trend, and have attributed it to the brand’s aging lineup. In a recent interview, Steve Lapin, Chairman of the Infiniti National Dealer Advisory Board, said: “Product is king. Infiniti doesn’t have the right products right now to compete in the marketplace.”

Interested in learning more about the automotive industry? Check out this graphic, which ranks the world’s top 10 exporters of automotive products.

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