Why is Tokyo So Big? | The Real Origins of Tokyo, And Why It’s A Megacity

Jed Baso
7 min readMay 10, 2023

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In the 1500s, Tokyo was just a small, insignificant fishing village. Today, Tokyo, Japan, has a population of 37 million. So how did Tokyo get this big?

The Origins of Tokyo

Early History (Before 1600s)

On the eastern side of Japan, a small village was founded on the sea sometime in the 1300s. Multiple villages had been founded in the area over thousands of years. This one, however, would become the predecessor of modern-day Tokyo.

The village was called Edo after the governor of the region at the time, Edo Shigenaga. The small fishing village quickly grew because of its river location and ocean access. Because of this, Edo Shigenaga established the village as his capital city and built a castle to protect it.

The New Capital (1600s-1800s)

Eventually, the small town caught the attention of Tokugawa Ieyasu. Japan had been going through decades of civil war, and Tokugawa Ieyasu had unified Japan.

For most of this period, Japan was divided up into many warring states or provinces, but in the final stages they had united, and Japan was now divided by its western and eastern provinces. Tokugawa Ieyasu led the eastern provinces against the west and finally unified all of Japan. He was declared shogun (military leader) of Japan by the emperor.

The capital city at the time was Kyoto, which was located in the west of Japan, where the people who fought against Tokugawa Ieyasu were. So, he effectively moved the capital to Edo, closer to his allies in the east, in 1603. For the next 200 years, this period in Japanese history was known as the Tokugawa period of Japan but was also known as the Edo period.

When Tokugawa Ieyasu made Edo the new capital, it brought wealth to the city, and people wanted goods and services. This led to merchants and craftsmen doing well in the new capital. Ieyasu also absorbed some western ideas and was assisted by William Adams, the first and only foreign samurai.

Tokugawa Ieyasu’s decision to move the capital lifted the small fishing town to prominence in a newly united Japan.

Japan Opens Up (1800s-1850s)

However, under the Tokugawa dynasty, Japan began to isolate itself from Europe. During this time, Europeans were exploring the world, trying to find a faster way to Asia so they could trade with them. That’s how America was discovered by Columbus.

But on the other side of the world, Japan was refusing to trade with Europeans, fearing that western culture and politics would interfere and ruin Japan.

That all changed when American Commodore Perry opened up Japan by sailing into Edo Bay with an American fleet in 1853 and demanding trade. He returned the next year with a larger fleet and coerced the Japanese into signing the Treaty of Kanagawa, which opened Japan up to trade with the United States and led to Japan becoming westernized.

Violence and Progress (1850s-1930s)

This period saw fast changes in Japan, but these changes also brought tension. Despite this, the first Japanese university was founded in 1858. However, Japan was still divided on whether it wanted to open up to the west and, for the most part, “do away with tradition.” Those who believed in keeping foreigners out sided with the shogun, and those who wanted to westernize sided with the emperor.

The assassination of a prominent statesman who believed in opening things up further polarized Japan. The last shogun of Japan resigned and turned power over to the emperor a year later, in 1867. However, the tensions boiled over into a war the following year, and eventually, the emperor came out on top and changed Japan and Edo forever.

The Meiji Restoration

For hundreds of years, the shogun (military leader) was considered the real leader of Japan instead of the emperor. That changed soon after Commodore Perry opened up Japan. With new weapons and military assistance from the west, the emperor (Emperor Meiji) was able to raise his own army and beat the outdated samurai army.

Emperor Meiji began to quickly modernize Japan. The thing is, the government and power of Japan were centered in Edo, not the emperor’s city of Kyoto. So, the emperor officially moved the capital and his family to Edo. The city of Edo was then given a new name, Tokyo, which means “the eastern capital.”

During the Meiji Period, Tokyo began to modernize faster. New railroads were built during this time too, starting what would be a long history with Japan and trains. Also during this time, Japan became more democratic under a new westernized government. Removing the old system of feudalism brought about a new boom but also a huge wave of political violence.

The Violence Continues

The modernization of Japan resulted in Japan wanting to conquer its less modernized neighbors. Japan started by taking over Korea. This resulted in a war with Russia, which they shockingly won. Many people were shocked that an Asian country beat a European one.

Japan continued to expand, but the Great Kanto Earthquake of 1923 destroyed huge parts of Tokyo. Not only did a giant earthquake destroy the city, but the fires that resulted spread all over the city, destroying and killing more.

You can read more about how the Great Kanto Earthquake affected anime here

The 1920s brought about better lives for the people of Tokyo. Women began to go to school more, and the fine arts began to thrive.

Japan Goes To War (1930s-1940s)

While Japan furthered its expansion in Asia, Tokyo began to grow even more. A new railroad that connected Tokyo with Osaka made it faster to travel between the two cities. An airport and a new port were opened in Tokyo, and in 1935 Tokyo’s population reached the same level as New York and London.

However, this time there were also many assassination attempts on politicians, and the tensions only worsened. One time, a thousand troops took over key government buildings and attempted to overthrow the government.

The tensions only worsened as World War II broke out. The surprise Doolittle Raid destroyed parts of Tokyo early in the war. Eventually, America was able to bomb Tokyo more consistently and more heavily. In total, Tokyo was bombed 102 times. Then came the two atomic bombs on Hiroshima and Nagasaki.

Japan surrendered on the USS Missouri in Tokyo Bay. The population of Tokyo had fallen to around 3.5 million, about half of what it had been in 1940. However, with the surrender came an American occupation that brought in a whole new Tokyo.

Tokyo Today (1950-Present)

After Japan surrendered, the Americans began their occupation. They helped rebuild Japan, and soon enough, Tokyo became a center of economic activity. This was in large part due to the outbreak of the Korean War.

Japan would take advantage of technological innovation, and Japan would start producing washing machines, fridges, and TVs. This improved Japan’s economy by providing new jobs, and the lives of everyday Tokyo residents began to change.

Tokyo hosted the Olympics in 1964 and finally introduced the Shinkansen (“Bullet Train”), something Japan has become famous for having. Also during this time, Tokyo’s population reached 10 million.

After an economic dip in the 1970s, Japan began to grow economically in the 1980s. Tokyo became a center of technology, fashion, culture, and safety. However, housing prices began to significantly rise in 1986.

However, Japan’s economy exploded (in a bad way) in the 1990s. Tokyo, however, was able to overcome the crisis and was soon on its way to continue growing. Tokyo reached 12 million in 2001 and 13 million only 9 years later, in 2010.

So Why is Tokyo So Big?

Transportation

Japan is famous for its high-speed bullet trains, and they are a leading reason why Tokyo has so many inhabitants. High-speed trains are able to bring people in easily from the country and areas around Tokyo. In addition to this, trains are able to transport people around Tokyo even if there is heavy traffic…

Read the rest of the story at Our Mammoth World

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