“The True Size” map lets you move countries around the globe, to show how big they really are

The US, China and India combined: still not quite as big as Africa. Image: The True Size.

The problem, you see, is that the earth isn’t flat. This is generally considered to be a good thing: it means you can travel east from Hong Kong to Los Angeles, for example, without falling over the edge – but it’s a right pain in the bum for cartographers.

That’s because the surface of a sphere cannot be turned into a flat sheet without some major distortions around the edges. The Mercator Projection is a case in point. Invented by a Flemish geographer, Gerardus Mercator, in the 16th century, it re-imagines the earth as the surface of a cylinder.

When laid out flat, it’s pleasingly rectangular, and its eastern and western edges line up neatly. This projection is pretty useful if you’re, say, trying to steer a ship across an ocean, so in its 446 years of life it’s become one of the standard maps of the world.

But it’s also done some odd things to our idea of how the world looks. In reality, lines of longitude converge at the poles; on the map, they’re parallel. As a result, the closer you get to the poles, the more distorted the map becomes, and the bigger things look relative to their actual size.

Thus it is that we’ve all got stuck with maps of the world which show Africa (30.4mkm2) as basically the same size as Greenland (2.2mkm2), rather than a whole order of magnitude bigger.

Until now.

The True Size is a website that lets you compare the size of any nation or US state to other land masses, by allowing you to move them around to anywhere else on the map. So, when left right up in the north of the map, Greenland does indeed look huge:

Place it next to Africa though, and you can see it really isn't all that:

You can see how vast India is, next to uppity island that conquered it:

Or how small even a big European nation like France would be in Africa:

Some US states are actually pretty big...

...but even the US looks tiny next to Africa. Africa is huge:

The site is the work of James Talmage and Damon Maneice, who were inspired by (what else) an episode of The West Wing. It’s worth quoting an entire speech from the episode in question, in which a guest character argues that cartography can warp how we view the world:

When Third World countries are misrepresented they’re likely to be valued less. When Mercator maps exaggerate the importance of Western civilization, when the top of the map is given to the northern hemisphere and the bottom is given to the southern... then people will tend to adopt top and bottom attitudes.

Or, to put it another way, Africa is much, much bigger than you think it is – and Europe much, much smaller.

You can play with The True Size map here.

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Coming soon: CityMetric will relaunch as City Monitor, a new publication dedicated to the future of cities

Coming soon!

Later this month, CityMetric will be relaunching with an entirely new look and identity, as well as an expanded editorial mission. We’ll become City Monitor, a name that reflects both a ramping up of our ambitions as well as our membership in a network of like-minded publications coming soon from New Statesman Media Group. We can’t wait to share the new website with you, but in the meantime, here’s what CityMetric readers should know about what to expect from this exciting transition.  

Regular CityMetric readers may have already noticed a few changes around here since the spring. CityMetric’s beloved founding editor, Jonn Elledge, has moved on to some new adventures, and a new team has formed to take the site into the future. It’s led by yours truly – I’m Sommer Mathis, the editor-in-chief of City Monitor. Hello!

My background includes having served as the founding editor of CityLab, editor-in-chief of Atlas Obscura, and editor-in-chief of DCist, a local news publication in the District of Columbia. I’ve been reporting on and writing about cities in one way or another for the past 15 years. To me, there is no more important story in the world right now than how cities are changing and adapting to an increasingly challenging global landscape. The majority of the world’s population lives in cities, and if we’re ever going to be able to tackle the most pressing issues currently facing our planet – the climate emergency, rising inequality, the Covid-19 pandemic ­­­– cities are going to have to lead the way.

That’s why City Monitor is going to be a global publication dedicated to the future of cities everywhere – not just in the UK (nor for that matter just in the US, where I live). Our mission will be to help our readers, many of whom are in leadership positions around the globe, navigate how cities are changing and discover what’s next in the world of urban policy. We’ll do that through original reporting, expert opinion and most crucially, a data-driven approach that emphasises evidence and rigorous analysis. We want to arm local decision-makers and those they work in concert with – whether that’s elected officials, bureaucratic leaders, policy advocates, neighbourhood activists, academics and researchers, entrepreneurs, or plain-old engaged citizens – with real insights and potential answers to tough problems. Subjects we’ll cover include transportation, infrastructure, housing, urban design, public safety, the environment, the economy, and much more.

The City Monitor team is made up of some of the most experienced urban policy journalists in the world. Our managing editor is Adam Sneed, also a CityLab alum where he served as a senior associate editor. Before that he was a technology reporter at Politico. Allison Arieff is City Monitor’s senior editor. She was previously editorial director of the urban planning and policy think tank SPUR, as well as a contributing columnist for The New York Times. Staff writer Jake Blumgart most recently covered development, housing, and politics for WHYY, the local public radio station in Philadelphia. And our data reporter is Alexandra Kanik, whose previous roles include data reporting for Louisville Public Media in Kentucky and PublicSource in Pittsburgh, Pennsylvania.

Our team will continue to grow in the coming weeks, and we’ll also be collaborating closely with our editorial colleagues across New Statesman Media Group. In fact, we’re launching a whole network of new publications this fall, covering topics such as the clean energy transition, foreign direct investment, technology, banks and more. Many of these sectors will frequently overlap with our cities coverage, and a key part of our plan is make the most of the expertise that all of these newsrooms combined will bring to bear on our journalism.

City Monitor will go live later this month. In the meantime, please visit citymonitor.ai to sign up for our forthcoming email newsletter.


As for CityMetric, some of its archives have already been moved over to the new website, and the rest will follow not long after. If you’re looking for a favourite piece from CityMetric’s past, for a time you’ll still be able to find it here, but before long the whole archive will move over to City Monitor.

On behalf of the City Monitor team, I’m thrilled to invite you to come along for the ride at our forthcoming digs. You can already follow City Monitor on LinkedIn, and on Twitter, sign up or keep following our existing account, which will switch over to our new name shortly. If you’re interested in learning more about the potential for a commercial partnership with City Monitor, please get in touch with our director of partnerships, Joe Maughan.

I want to thank and congratulate Jonn Elledge on a brilliant run. Everything we do from here on out will be building on the legacy of his work, and the community that he built here at CityMetric. Cheers, Jonn!

In the meantime, stay tuned, and thank you from all of us for being a loyal CityMetric reader. We couldn’t have done any of this without you.

Sommer Mathis is editor-in-chief of City Monitor.