Upward Momentum: Charting a Year of Skyscraper Construction
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Upward Momentum: Charting a Year of Skyscraper Construction

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Ever since the first towering spires broke through the clouds in New York and Chicago, skyscrapers have remained a potent symbol of economic might.

The tallest buildings require vast amounts of materials, expertise, and capital to make them a reality, but the cities that add these landmarks to their skylines gain prestige and send a powerful message to competing economic centers.

Skyscraper Construction in 2018

Where are the most skyscrapers popping up? Let’s take a look at regional hot-spots around the world.

Charting a Year of Skyscraper Construction
Note: For the purposes of this article, “skyscraper” will refer to buildings 656 feet (200 meters) or more in height.

China is Flying High

For well over two decades, China has led the world in skyscraper construction, and 2018 was no exception.

The country’s fixation on urban growth and continued economic success is producing tall buildings at a staggering rate. Last year, a mind-boggling 89 skyscrapers were completed in 28 different cities around China.

To put this building boom into perspective, China completed more skyscrapers in one year than New York City’s entire stock of 656ft and taller buildings.

Skyscrapers in China

In 2018, no city reached for the stars quite like Shenzhen. The city, which is a hub of China’s high-flying tech sector, now has the second-most skyscrapers in the world, surpassed only by Dubai.

Shenzhen isn’t just building a lot of skyscrapers, it’s building extremely tall ones too.

In 2017, for example, the ribbon was cut on the massive Ping An Finance Center, which is currently the 4th tallest building in the world. Last year alone, four new towers cracked the 1,000ft (300m) barrier.

Asia, Rising

While China’s scale is hard to beat, other cities in the region are also undergoing dramatic changes, particularly in Southeast Asia. Malaysia and Indonesia completed a combined 13 new skyscrapers, and the Vincom Landmark 81 was added to Ho Chi Minh City’s growing roster of unique skyscrapers.

While there are two skyscrapers under construction in Japan – one in Tokyo and one in Yokohama – none of them were completed last year.

A New Era of American Skyscrapers

After a two-decade lull in skyscraper construction, the United States is embracing taller buildings again. Last year alone, the U.S. added 14 new skyscrapers into the mix, particularly in New York City, where construction cranes dot the horizon. In the past decade, NYC has added 25 new skyscrapers to its iconic skyline.

This trend is showing no signs of slowing down. Between now and 2022, 44 skyscraper projects are expected to be completed in the United States, with the vast majority being built in the Big Apple.

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Demographics

Visualizing Population Density Patterns in Six Countries

These maps show the population density of several countries, using 3D spikes to denote where more people live.

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beautifully rendered population density maps of six major countries

As of 2022, Earth has 8 billion humans. By 2050, the population is projected to grow to 10 billion.

In the last 50 years, the global population more than quadrupled. But none of this growth has been evenly spread out, including within countries.

This series of 3D maps from Terence Teo, an associate professor at Seton Hall University, renders the population density of six countries using open-source data from Kontur Population. He used popular programming language R and a path-tracing package, Rayshader, to create the maps.

France and Germany: Population Density Spikes and Troughs

Let’s take a look at how the population spreads out in different countries around the world. Click the images to explore higher-resolution versions.

This image shows a map of France and its population spread.

France is the world’s 7th largest economy and second-most-populous country in the EU with 65 million people. But a staggering one-fifth of the French population lives in Paris and its surrounding metro—the most populous urban area in Europe.

Many residents in the Paris metropolitan area are employed in the service sector, which makes up one-third of France’s $2.78 trillion gross domestic product.

This image shows a map of Germany and its population spread.

Unlike France, Germany has many dense cities and regions, with Berlin, Munich, Stuttgart, and Cologne all having over a million residents. Berlin is the most populated at 3.5 million residents in the city proper, and 6 million in the wider urban area.

That said, the relatively recent reunification of West and East Germany in 1991 meant that post-WWII growth was mostly concentrated in West Germany (and West Berlin).

Italy and Chile: Coast to Coast

In Italy, another phenomenon affects population density and urban development—a sprawling coastline.

This image shows a map of Italy and its population spread.

Despite having a large population of 59 million and large metropolitan areas throughout, Italy’s population spikes are closer to the water.

The port cities of Genoa, Napoli, and Palermo all have large spikes relative to the rest of the country, as does the capital, Rome. Despite its city center located 15 miles inland from the sea, it extends to the shore through the district of Ostia, where the ancient port of Rome existed.

This image shows a map of Chile and its population spread.

Meanwhile in Chile, stuck between the Andes to the east and the Pacific Ocean to the west, population spikes corroborate with its many port towns and cities.

However, the country is more concentrated than Italy, with 40% of its residents congregating around the capital of Santiago.

Turkey and Canada: Marred by Mountains and Climes

Though Chile has difficulties with terrain, it is relatively consistent. Other countries have to attempt to settle many different climes—regions defined by their climates.

This image shows a map of Türkiye and its population spread.

Mountains to the south and east, a large, semi-arid plateau, and even a small desert leave few centers of urban growth in Türkiye.

Predictably, further west, as the elevation comes down to the Aegean and Mediterranean Seas, population spikes begin to heighten. The largest of course is the economic and cultural hub of Istanbul, though the capital Ankara is also prominent with more than 5 million residents.

This image shows a map of Canada and its population spread.

In Canada, the Rocky Mountains to the west and freezing cold temperatures in the center and north account for the large country’s relative emptiness.

Though population spikes in Western Canada are growing rapidly, highly populous urban centers are noticeably concentrated along the St. Lawrence River, with the Greater Toronto Area accounting for more than one-sixth of the country’s 39 million people.

Increasing Urbanization

According to the World Bank, more than half of the world’s population currently lives in cities, and that trend is only growing.

By 2050, 7 out of 10 people are projected to live in cities. This congregation makes cities a beehive of productivity and innovation—with more than 80% of the world’s GDP being generated at these population centers.

It’s in this context that mapping and studying urban development becomes all the more important, particularly as policymakers try their hand at sustainable urban planning.

As Teo puts it:

“By showing where people are (and are not), they show us where political and economic power is concentrated, and perhaps where and who our governments represent.”

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