How big is South Korea, really? Meet the GDP Atlas
Published 28 June 2026
"South Korea's economy is about $1.9 trillion." Sure — but what does that feel like? Our new free tool gives that number a ruler you can actually picture.
Big economic numbers are strangely empty. Trillions blur together; you can read "$1.9 trillion" and "$4 trillion" and not really sense the gap. The fix that works for us is comparison — lining a number up against something familiar. So we built the GDP Atlas, the first tool in a new Economy corner of SpecEnvoy Edu.
The idea is simple: pick a country, and the Atlas shows you the smallest set of Chinese provinces — and, if you like, the US states — whose economies add up to the same size. Suddenly the abstract becomes concrete. South Korea? About one Chinese province (Jiangsu or Guangdong). It also sits right around the US state of Florida. Japan? Roughly Guangdong + Jiangsu, or the single state of California. Now the numbers mean something.
What you can do
- Tap any country on the world map — or search for it — and see its match light up on a map of China and/or the US.
- Go the other way too. Pick a Chinese province (say Guangdong) or a US state (say Texas) and find its world-economy twin. Texas, it turns out, is about Canada plus Thailand.
- Compare the things that matter: GDP, population, wealth per person, land area — and the single biggest globally-known company headquartered there. Fujian has CATL, the world's largest EV-battery maker; Arkansas has Walmart; the Netherlands has ASML, which makes the machines that print computer chips.
- Add the US alongside China with one toggle, to line a country up against both at once.
- Or just press Play and let it cycle through the world's big economies and their Chinese and American counterparts on its own — a quietly mesmerising way to browse.
It's a zoomable, pannable map, it works on any phone, and like everything in Edu it's free, bilingual (English and 中文), and doesn't track you.
A note on the numbers
Figures are nominal GDP in US dollars, latest available (mostly 2024), from the World Bank, IMF and official statistics offices. They're approximate and meant for getting a feel, not for spreadsheets — and the "biggest company" is there for colour, named purely for identification, with no affiliation or endorsement. The map shapes come from public-domain and open-source data (Natural Earth; US states via the MIT-licensed react-usa-map), credited inside the tool.
This is the start of the Economy section, and there's lots more we could add — more countries, more views, more "wait, that's how big it is" moments. If there's a comparison you'd love to see, tell us.