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Demographics

Animation: The Rapidly Aging Western World

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From issues such as declining fertility rates to the ongoing complications resulting from China’s famous “One Child Policy”, there are many demographic challenges that the world must grapple with in the coming years.

However, one problem of particular importance – at least in places like Europe and the Americas – is a rapidly aging population. As the population shifts grayer, potential consequences include higher dependency ratios, rising healthcare costs, and shifting economies and cities.

Europe: A Prime Example

We’ve discussed Germany’s demographic cliff before, but it’s not only Germany that will be impacted by a rapidly aging population.

Europe median age

The above animation from data visualization expert Aron Strandberg shows the median age of European countries between 1960 and 2060.

Starting about a decade from now, you can see that the U.N. projects some European countries to start hitting a median age of 50 or higher. This includes countries like Spain, Italy, Portugal, and Greece, and then later Germany, Poland, Bosnia, and Croatia.

The UK, France, Ireland, Scandinavia, and former Soviet countries will be younger – but only slightly so. Median ages in these places by 2060 will be in the early to mid-forties.

The Americas

Populations in North and South America are also graying fast, though not quite at Europe’s pace.

Here’s a similar map of the Americas that highlights median age between 1960 and 2060, based on U.N. projections.

Americas median age

Chile and Brazil, in particular, are trending older. Meanwhile, Canada is not far behind with an expected median age of 45 in 2060. Interestingly, the United States is anticipated to only hit a median age of 42 by 2060, which is lower than almost all Western countries.

While this makes the U.S. look younger in comparison, the country will still experience the same type of economic burden from an aging population. In fact, it’s expected that the population of Americans older than 65 years will nearly double from 48 million to 88 million over the coming three decades.

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Chart of the Week

Visualizing 200 Years of Systems of Government

At the start of the 19th century, less than 1% of humanity lived under democratic rule. See how systems of government have changed over the last 200 years.

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Visualizing 200 Years of Systems of Government

Centuries ago, most of our ancestors were living under a different political paradigm.

Although democracy was starting to show signs of growth in some parts of the world, it was more of an idea, rather than an established or accepted system of government.

Even at the start of the 19th century, for example, it’s estimated that the vast majority of the global population — roughly 84% of all people — still lived under in autocratic regimes or colonies that lacked the authority to self-govern their own affairs.

The Evolution of Rule

Today’s set of charts look at global governance, and how it’s evolved over the last two centuries of human history.

Leveraging data from the widely-used Polity IV data set on political regimes, as well as the work done by economist Max Roser through Our World in Data, we’ve plotted an empirical view of how people are governed.

Specifically, our charts break down the global population by how they are governed (in absolute terms), as well as by the relative share of population living under those same systems of government (percentage terms).

Classifying Systems of Government

The Polity IV data series defines a state’s level of democracy by ranking it on several metrics, such as competitive and open elections, political participation, and checks on authority.

Polity scores are on a -10 to +10 scale, where the lower end (-10 to -6) corresponds with autocracies and the upper end (+6 to +10) corresponds to democracies. Below are five types of government that can be derived from the scale, and that are shown in the visualization.

  1. Colony
    A territory under the political control of another country, and/or occupied by settlers from that country.
    Examples: 🇬🇮 Gibraltar, 🇬🇺 Guam, 🇵🇫 French Polynesia
  2. Autocracy
    A single person (the autocrat) possesses supreme and absolute power.
    Examples: 🇨🇳 China, 🇸🇦 Saudi Arabia, 🇰🇵 North Korea
  3. Closed Anocracy
    An anocracy is loosely defined as a regime that mixes democratic and autocratic features. In a closed anocracy, political competitors are drawn only from an elite and well-connected pool.
    Examples: 🇹🇭 Thailand, 🇲🇦 Morocco, 🇸🇬 Singapore
  4. Open Anocracy
    Similar to a closed anocracy, an open anocracy draws political competitors from beyond elite groups.
    Examples: 🇷🇺 Russia, 🇲🇾 Malaysia, 🇧🇩 Bangladesh
  5. Democracy
    Citizens exercise power by voting for their leaders in elections.
    Examples: 🇺🇸 United States, 🇩🇪 Germany, 🇮🇳 India

A Long-Term Trend in Question

In the early 19th century, less than 1% of the global population could be found in democracies.

In more recent decades, however, the dominoes have fallen ⁠— and today, it’s estimated that 56% of the world population lives in societies that can be considered democratic, at least according to the Polity IV data series highlighted above.

While there are questions regarding a recent decline in freedom around the world, it’s worth considering that democratic governance is still a relatively new tradition within a much broader historical context.

Will the long-term trend of democracy prevail, or are the more recent indications of populism a sign of reversion?

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Demographics

Mapped: The Dramatic Global Rise of Urbanization (1950–2020)

Few global trends have matched the profound impact of urbanization. Today’s map looks back at 70 years of movement in over 1,800 cities.

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The Dramatic Global Rise of Urbanization (1950–2020)

In the 21st century, few trends have matched the economic, environmental, and societal impact of rapid urbanization.

A steady stream of human migration out of the countryside, and into swelling metropolitan centers, has shaken up the world’s power dynamic in just decades.

Today’s eye-catching map via Cristina Poiata from Z Creative Labs looks at 70 years of movement and urban population growth in over 1,800 cities worldwide. Where is the action?

Out of the Farms and Into the Cities

The United Nations cites two intertwined reasons for urbanization: an overall population increase that’s unevenly distributed by region, and an upward trend in people flocking to cities.

Since 1950, the world’s urban population has risen almost six-fold, from 751 million to 4.2 billion in 2018. In North America alone, significant urban growth can be observed in the video for Mexico and the East Coast of the United States as this shift takes place.

Global Urban Population vs. Rural

Over the next few decades, the rural population is expected to plateau and eventually decline, while urban growth will continue to shoot up to six billion people and beyond.

The Biggest Urban Hot-Spots

Urban growth is going to happen all across the board.

Rapidly rising populations in megacities and major cities will be significant contributors, but it’s also worth noting that the number of regional to mid-sized cities (500k to 5 million inhabitants) will swell drastically by 2030, becoming more influential economic hubs in the process.

global cities by size 1990 to 2030

Interestingly, it’s mainly cities across Asia and Africa — some of which Westerners are largely unfamiliar with — that may soon wield enormous influence on the global stage.

It’s expected that over a third of the projected urban growth between now and 2050 will occur in just three countries: India, China, and Nigeria. By 2050, it is projected that India could add 416 million urban dwellers, China 255 million, and Nigeria 189 million.

Urbanization and its Complications

Rapid urbanization isn’t only linked to an inevitable rise in city populations.

Some megacities are actually experiencing population contractions, in part due to the effects of low fertility rates in Asia and Europe. For example, while the Greater Tokyo area contains almost 38 million people today, it’s expected to shrink starting in 2020.

As rapid urbanization continues to shape the global economy, finding ways to provide the right infrastructure and services in cities will be a crucial problem to solve for communities and organizations around the world. How we deal with these issues — or how we don’t — will set the stage for the next act in the modern economic era.

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