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Ranked: The Countries With the Most Supercomputers

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Supercomputers are used for everything from weather forecasting and high-powered simulations to artificial intelligence and defense.

The number of supercomputers a country has gives an indication of their technological and economic positioning, and how they prioritize frontier research.

This graphic ranks the countries with the most supercomputers, and the data comes from TOP500’s November 2025 list.

Which Countries Have the Most Supercomputers?

The U.S., the birthplace of supercomputers, dominates the list at 171. The figure is four times higher the number of supercomputers Japan has, which comes in second place at 43.

The data table below shows the number of supercomputers per country as of November 2025:

China and Germany trail closely, tied in third and fourth place at 40 supercomputers.

The ranking is significantly top-heavy, as the top three countries have more supercomputers than all the other 43 countries combined. In total, 26 countries have five or fewer supercomputers each, while 11 have just one supercomputer.

It is not necessarily smaller countries that have fewer supercomputers. Singapore, for example, has the same number as Russia and India at five. The Singaporean government recently launched a supercomputing hub as it looks to become Southeast Asia’s AI leader.

Increasing AI-Driven Supercomputer Demand

Demand for supercomputers is increasing alongside AI, which requires massive computational power to be trained and run, which far surpass what regular computers are capable of.

There are different types of supercomputers but generally they can crunch vast and complex datasets at speed, far surpassing humanity’s capabilities. By outputting useful information, supercomputers are used to make decisions across health, climate, and material science, which is why they are tipped to hold the key to some of society’s greatest challenges.

Nordic countries actually share access to their supercomputers in efforts to “enable excellence” and contribute towards the UN’s sustainable Development Goals.

The Finland-based LUMI supercomputer, the ninth most powerful in the world, was set up specifically with this in mind; it is hosted by a consortium of 10 countries, including the Nordics and their neighbor Estonia, to share resources and increase researcher access to some of the world’s most powerful computers.

The EU-funded RAISE center was set to develop novel AI technologies that can run effectively on supercomputers, while the U.S. is ramping up partnerships with AI companies to stack its national labs with powerful compute clusters.

Learn More on the Voronoi App

To learn more about supercomputers, check out this graphic on Voronoi which breaks down the largest computing clusters.

The 20 Most Visited Websites in the World in 2026

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In 2026, global web traffic is dominated by a small group of platforms that shape how billions of people search, watch, connect, and shop online. Google and YouTube continue to command an outsized share of the internet’s attention, sitting far ahead of every other competitor.

At the same time, the composition of the top rankings is evolving. ChatGPT has emerged as one of the most visited websites in the world, underscoring how quickly AI tools have moved from novelty to everyday utility.

Based on the latest available traffic data from Semrush as of January 2026, this ranking shows which companies dominate the digital landscape.

Search and Video Still Rule the Web

Search engines and video platforms remain the backbone of internet activity. Google alone draws more traffic than the next five websites combined. Meanwhile, YouTube continues to cement its position as the world’s primary video hub.

Other search platforms also appear in the top 20, including Bing (1.9 billion visits) and DuckDuckGo (1.8 billion visits). Even Yahoo maintains a presence through both yahoo.com (2.3 billion) and yahoo.co.jp (1.8 billion), reflecting the enduring value of search and portal-style platforms.

ChatGPT’s Rapid Rise

One of the most notable shifts is the emergence of ChatGPT.com. With 5.5 billion visits in January 2026, it ranks fifth globally—ahead of Reddit (5.1 billion), Wikipedia (4.3 billion), and X (3.8 billion).

ChatGPT first broke into the top 15 in early 2024, just over a year after launch. Its rapid ascent signals how quickly AI tools have become integrated into everyday workflows, from writing and research to coding and brainstorming.

Social, Shopping, and Streaming Giants

Social media remains a dominant force. Facebook (9.5 billion) and Instagram (6.1 billion) both rank in the top five, while X (3.8 billion) and TikTok (2.2 billion) continue to command global audiences.

E-commerce platforms like Amazon (2.5 billion) and Temu (1.6 billion) also rank among the most visited sites, highlighting the scale of online retail. Meanwhile, Netflix (1.5 billion) and Weather.com (1.6 billion) show how entertainment and real-time information consistently draw massive recurring traffic.

Overall, U.S.-based companies dominate the list, accounting for the vast majority of the top 20 websites. However, the list also includes platforms from China, Canada, and France.

Learn More on the Voronoi App

If you enjoyed today’s post, check out How Cyberattackers Gain Access on Voronoi, the new app from Visual Capitalist.