Japan is often described as a closed country.
This is usually meant as criticism. Japan is said to be inward-looking, difficult for foreigners to enter, slow to globalize, and too comfortable inside its own domestic systems.
There is truth in that.
But closedness has another side.
For centuries, Japan did not merely close itself off from the world. It also protected the formation of an unusually deep domestic market.
During the Tokugawa period, Japan restricted foreign contact, but inside the country, commerce, cities, publishing, fashion, food culture, theater, travel, and consumer taste developed with remarkable density.
Edo was not a backward village. It was one of the great urban civilizations of the early modern world.
This matters because Japan’s modern economy did not emerge from nothing.
It inherited a habit: the ability to create sophisticated markets within a bounded domestic space.
That habit is still visible today.
A company like ZOZO does not need to be understood only as an e-commerce company. It is also a product of Japan’s long domestic depth. It emerged in a country where consumers care intensely about detail, seasonality, presentation, sizing, brands, packaging, delivery, and trust.
ZOZO’s founder, Yusaku Maezawa, became wealthy enough from Japanese fashion commerce to travel to space. The point is not that Japan is simply a large market. Many countries are large. The point is that Japan is a protected, dense, internally differentiated market — a place where mastering domestic complexity can create extraordinary value.
In Europe, a company often has to cross borders to grow. In Southeast Asia, a company often has to move across different languages, currencies, income levels, and infrastructures.
But Japan offers something unusual: a single national market with regional depth, high purchasing power, cultural complexity, and unified infrastructure.
Japan’s closedness, then, should not be seen only as a weakness.
It has also been a market-making force.
It created a society where businesses could grow not by expanding outward first, but by going inward more deeply. Deeper into taste. Deeper into service. Deeper into trust. Deeper into the tiny distinctions that outsiders often miss.
This is both Japan’s strength and its trap.
The strength is that domestic mastery can produce enormous companies. The trap is that the domestic market can become so rich, so comfortable, and so self-contained that companies delay the painful work of becoming global.
Japan’s problem is not that its domestic market is small.
Its problem may be the opposite.
The domestic market has historically been large and deep enough to reward inward excellence. That is why Japanese companies can become powerful without becoming truly global. It is also why some of them struggle when they finally leave home.
Japan is not merely a closed market.
It is a rare civilization that learned how to make closedness productive. ■
First published on Substack on Jun 17, 2026 (JST). Archived here as part of the Fabio Caipirinha permanent archive (published on this site: Oct 15, 2026). Images from the original are omitted here pending rights clearance. Original: https://fabiocaipirinha.substack.com/p/japans-long-experiment-in-domestic
Cover image: Dejima, the Dutch trading post in Nagasaki harbour (1814) (Public domain, Wikimedia Commons — source)
