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Sakoku(鎖国, "closed country") was the isolationist foreign policy of the Japanese Tokugawa shogunate (aka Bakufu) [1] under which relations and trade between Japan and other countries were severely limited, nearly all foreign nationals were barred from entering Japan and common Japanese people were kept from leaving the country for a period of over 220 years. The policy was enacted by the Tokugawa shogunate under Tokugawa Iemitsu through a number of edicts and policies from 1633 to 1639, and ended after 1853 when the American Black Ships commanded by Matthew Perry forced the opening of Japan to American (and, by extension, Western) trade through a series of unequal treaties.

Isolationism is a category of foreign policies institutionalized by leaders who assert that their nations' best interests are best served by keeping the affairs of other countries at a distance. One possible motivation for limiting international involvement is to avoid being drawn into dangerous and otherwise undesirable conflicts. There may also be a perceived benefit from avoiding international trade agreements or other mutual assistance pacts.

The primary responsibility for the Japanese foreign policy, as determined by the 1947 constitution, is exercised by the cabinet and subject to the overall supervision of the National Diet. The prime minister is required to make periodic reports on foreign relations to the Diet, whose upper and lower houses each have a foreign affairs committee. Each committee reports on its deliberations to plenary sessions of the chamber to which it belongs. Special committees are formed occasionally to consider special questions. Diet members have the right to raise pertinent policy questions—officially termed interpellations—to the minister of foreign affairs and the prime minister. Treaties with foreign countries require ratification by the Diet. As head of state, the emperor performs the ceremonial function of receiving foreign envoys and attesting to foreign treaties ratified by the Diet.

Japan Constitutional monarchy in East Asia

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asian continent and stretches from the Sea of Okhotsk in the north to the East China Sea and the Philippine Sea in the south.


It was preceded by a period of largely unrestricted trade and widespread piracy when Japanese mariners travelled Asia and official embassies and envoys visited both Asian states, New Spain (now Mexico), and Europe. This period was also noted for the large number of foreign traders and pirates who were resident in Japan and active in Japanese waters.

The term Sakoku originates from the manuscript work Sakoku-ron(「鎖国」) written by Japanese astronomer and translator Shizuki Tadao (ja:志筑忠雄) in 1801. Shizuki invented the word while translating the works of the 17th-century German traveller Engelbert Kaempfer concerning Japan. [2]

Engelbert Kaempfer German botanist

Engelbert Kaempfer was a German naturalist, physician, and explorer writer known for his tour of Russia, Persia, India, South-East Asia, and Japan between 1683 and 1693.

Japan was not completely isolated under the sakoku policy. It was a system in which strict regulations were applied to commerce and foreign relations by the shogunate and by certain feudal domains ( han ). There was extensive trade with China through the port of Nagasaki, in the far west of Japan, with a residential area for the Chinese. The policy stated that the only European influence permitted was the Dutch factory at Dejima in Nagasaki. Western scientific, technical and medical innovations did flow into Japan through Rangaku ("Dutch learning"). Trade with Korea was limited to the Tsushima Domain (today part of Nagasaki Prefecture). Trade with the Ainu people was limited to the Matsumae Domain in Hokkaidō, and trade with the Ryūkyū Kingdom took place in Satsuma Domain (present-day Kagoshima Prefecture). Apart from these direct commercial contacts in peripheral provinces, trading countries sent regular missions to the shōgun in Edo and Osaka Castle.

China Country in East Asia

China, officially the People's Republic of China (PRC), is a country in East Asia and the world's most populous country, with a population of around 1.404 billion. Covering approximately 9,600,000 square kilometers (3,700,000 sq mi), it is the third- or fourth-largest country by total area. Governed by the Communist Party of China, the state exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities, and the special administrative regions of Hong Kong and Macau.

Europe Continent in the Northern Hemisphere and mostly in the Eastern Hemisphere

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west and the Mediterranean Sea to the south. It comprises the westernmost part of Eurasia.

Netherlands Constituent country of the Kingdom of the Netherlands in Europe

The Netherlands is a country located mainly in Northwestern Europe. The European portion of the Netherlands consists of twelve separate provinces that border Germany to the east, Belgium to the south, and the North Sea to the northwest, with maritime borders in the North Sea with Belgium, Germany and the United Kingdom. Together with three island territories in the Caribbean Sea—Bonaire, Sint Eustatius and Saba— it forms a constituent country of the Kingdom of the Netherlands. The official language is Dutch, but a secondary official language in the province of Friesland is West Frisian.

Trade under sakoku

Japan traded at this time with five entities, through four "gateways". The largest was the private Chinese trade at Nagasaki (who also traded with the Ryūkyū Kingdom), where the Dutch East India Company was also permitted to operate. The Matsumae clan domain in Hokkaidō (then called Ezo) traded with the Ainu people. Through the Sō clan daimyō of Tsushima, there were relations with Joseon-dynasty Korea. Ryūkyū, a semi-independent kingdom for nearly all of the Edo period, was controlled by the Shimazu clan daimyō of Satsuma Domain. Tashiro Kazui has shown that trade between Japan and these entities was divided into two kinds: Group A in which he places China and the Dutch, "whose relations fell under the direct jurisdiction of the Bakufu at Nagasaki" and Group B, represented by the Korean Kingdom and the Ryūkyū Kingdom, "who dealt with Tsushima (the Sō clan) and Satsuma (the Shimazu clan) domains respectively". [3]

The Dutch East India Company was an early megacorporation founded by a government-directed amalgamation of several rival Dutch trading companies (voorcompagnieën) in the early 17th century. It was established on March 20, 1602 as a chartered company to trade with India and Indianised Southeast Asian countries when the Dutch government granted it a 21-year monopoly on the Dutch spice trade. It has been often labelled a trading company or sometimes a shipping company. However, VOC was in fact a proto-conglomerate company, diversifying into multiple commercial and industrial activities such as international trade, shipbuilding, and both production and trade of East Indian spices, Formosan sugarcane, and South African wine.. The Company was a transcontinental employer and an early pioneer of outward foreign direct investment. The Company's investment projects helped raise the commercial and industrial potential of many underdeveloped or undeveloped regions of the world in the early modern period. In the early 1600s, by widely issuing bonds and shares of stock to the general public, VOC became the world's first formally-listed public company. In other words, it was the first corporation to be listed on an official stock exchange. It was influential in the rise of corporate-led globalisation in the early modern period.

Matsumae clan

The Matsumae clan was a Japanese clan which was granted the area around Matsumae, Hokkaidō as a march fief in 1590 by Toyotomi Hideyoshi, and charged with defending it, and by extension the whole of Japan, from the Ainu 'barbarians' to the north. The clan, originally known as the Kakizaki clan (蠣崎氏), had settled in Kakizaki, Kawauchi, Mutsu on the Shimokita Peninsula. Claiming descent from the Takeda clan of Wakasa Province, the family later took the name Matsumae. In exchange for their service in defending the country, the Matsumae were made exempt from owing rice to the shogunate in tribute, and from the sankin-kōtai system, under which most daimyōs were required to spend half the year at Edo, while their families spent the entire year at Edo and were, essentially, held hostage to prevent rebellion.

Ezo is a Japanese name which historically referred to the lands to the north of the Japanese island of Honshu. It included the northern Japanese island of Hokkaido which changed its name from Ezo to Hokkaido in 1869, and sometimes included Sakhalin and the Kuril Islands.

Many items traded from Japan to Korea and the Ryūkyū Kingdom were eventually shipped on to China. In the Ryūkyū Islands and Korea, the clans in charge of trade built trading towns outside Japanese territory where commerce actually took place. [4] Due to the necessity for Japanese subjects to travel to and from these trading posts, this resembled something of an outgoing trade, with Japanese subjects making regular contact with foreign traders in essentially extraterritorial land. Commerce with Chinese and Dutch traders in Nagasaki took place on an island called Dejima, separated from the city by a narrow strait; foreigners could not enter Nagasaki from Dejima, nor could Japanese enter Dejima without special permission or authorization.

Dejima former artificial island in Nagasaki

Dejima was a Dutch trading post located in Nagasaki, Japan from 1641 to 1854.


Trade in fact prospered during this period, and though relations and trade were restricted to certain ports, the country was far from closed. In fact, even as the shogunate expelled the Portuguese, they simultaneously engaged in discussions with Dutch and Korean representatives to ensure that the overall volume of trade did not suffer. [4] Thus, it has become increasingly common in scholarship in recent decades to refer to the foreign relations policy of the period not as sakoku, implying a totally secluded, isolated, and "closed" country, but by the term kaikin (海禁, "maritime prohibitions") used in documents at the time, and derived from the similar Chinese concept haijin . [5]

The Haijin or sea ban was a series of related isolationist Chinese policies restricting private maritime trading and coastal settlement during most of the Ming dynasty and some of the Qing. First imposed to deal with Japanese piracy amid the mopping up of Yuan partisans, the sea ban was completely counterproductive: by the 16th century, piracy and smuggling were endemic and mostly consisted of Chinese who had been dispossessed by the policy. China's foreign trade was limited to irregular and expensive tribute missions, and resistance even to them among the Chinese bureaucracy led to the scrapping of Zheng He's fleets. Piracy dropped to negligible levels only upon the end of the policy in 1567, but a modified form was subsequently adopted by the Qing. This produced the Canton System of the Thirteen Factories, but also the opium smuggling that led to disastrous wars with Britain and other European powers in the 19th century.


Text from the seclusion edict of 1636: "No Japanese ship ... nor any native of Japan, shall presume to go out of the country; whoever acts contrary to this, shall die, and the ship with the crew and goods aboard shall be sequestered until further orders. All persons who return from abroad shall be put to death. Whoever discovers a Christian priest shall have a reward of 400 to 500 sheets of silver and for every Christian in proportion. All Namban (Portuguese and Spanish) who propagate the doctrine of the Catholics, or bear this scandalous name, shall be imprisoned in the Onra, or common jail of the town. The whole race of the Portuguese with their mothers, nurses and whatever belongs to them, shall be banished to Macao. Whoever presumes to bring a letter from abroad, or to return after he hath been banished, shall die with his family; also whoever presumes to intercede for him, shall be put to death. No nobleman nor any soldier shall be suffered to purchase anything from the foreigner."


It is conventionally regarded that the shogunate imposed and enforced the sakoku policy in order to remove the colonial and religious influence of primarily Spain and Portugal, which were perceived as posing a threat to the stability of the shogunate and to peace in the archipelago. The increasing number of Catholic converts in southern Japan (mainly Kyūshū) was a significant element of that which was seen as a threat. Based on work conducted by Japanese historians in the 1970s, some scholars have challenged this view, believing it to be only a partial explanation of political reality.

The motivations for the gradual strengthening of the maritime prohibitions during the early 17th century should be considered within the context of the Tokugawa bakufu's domestic agenda. One element of this agenda was to acquire sufficient control over Japan's foreign policy so as not only to guarantee social peace, but also to maintain Tokugawa supremacy over the other powerful lords in the country, particularly the tozama daimyōs . These daimyōs had used East Asian trading linkages to profitable effect during the Sengoku period, which allowed them to build up their military strength as well. By restricting the daimyōs' ability to trade with foreign ships coming to Japan or pursue trade opportunities overseas, the Tokugawa bakufu could ensure none would become powerful enough to challenge the bakufu's supremacy. This is consistent with the generally agreed rationale for the Tokugawa bakufu's implementation of the system of alternate attendance, or sankin-kōtai .

Directing trade predominantly through Nagasaki, which came under Toyotomi Hideyoshi's control in 1587, would enable the bakufu, through taxes and levies, to bolster its own treasury. This was no small matter, as lack of wealth had limited both the preceding Kamakura bakufu and the Muromachi bakufu in crucial ways. [7] The focus on the removal of Western and Christian influence from the Japanese archipelago as the main driver of the kaikin could be argued to be a somewhat eurocentric reading of Japanese history, although it is a common perception. [8]

Nevertheless, Christianity and the two colonial powers it was most strongly associated with, were seen as genuine threats by the Tokugawa bakufu. Once the remnants of the Toyotomi clan had been defeated in 1615, Tokugawa Hidetada turned his attention to the sole remaining credible challenge to Tokugawa supremacy. Religious challenges to central authority were taken seriously by the bakufu as ecclesiastical challenges by armed Buddhist monks were common during the sengoku period. The Empress Meishō (1624–96) also had grave doubts when she heard about how the Spanish and Portuguese were settling in the New World, and thought that Japan would soon become one of the many countries in their possession.

Buddhist statue with hidden cross on back, used by Christians in Japan to hide their real beliefs. Buddhist statue with hidden cross on back.jpg
Buddhist statue with hidden cross on back, used by Christians in Japan to hide their real beliefs.

Protestant English and Dutch traders reinforced this perception by accusing the Spanish and Portuguese missionaries of spreading the religion systematically, as part of a claimed policy of culturally dominating and colonizing Asian countries. The Dutch and English were generally seen by the Japanese to be able to separate religion and trade, while their Iberian counterparts were looked upon with much suspicion. The Dutch, eager to take over trade from the Spanish and Portuguese, had no problems reinforcing this view. The number of Christians in Japan had been steadily rising due to the efforts of missionaries, such as Francis Xavier and daimyō converts. The direct trigger which is said to have spurred the imposition of sakoku was the Shimabara Rebellion of 1637–38, an uprising of 40,000 mostly Christian peasants. In the aftermath, the shogunate accused missionaries of instigating the rebellion, expelled them from the country, and strictly banned the religion on penalty of death. The remaining Japanese Christians, mostly in Nagasaki, formed underground communities and came to be called Kakure Kirishitan.

All contact with the outside world became strictly regulated by the shogunate, or by the domains (Tsushima, Matsumae, and Satsuma) assigned to the task. Dutch traders were permitted to continue commerce in Japan only by agreeing not to engage in missionary activities. Today, the Christian percentage of the population (1%) in Japan remains far lower than in other East Asian countries such as China (3%), Vietnam (7%), South Korea (29%) [9] and the Philippines (over 90%).

Beacon on Taketomi, one of the Sakishima Beacons constructed in 1644 to monitor foreign shipping Taketomi kusukumui.jpg
Beacon on Taketomi, one of the Sakishima Beacons constructed in 1644 to monitor foreign shipping

The sakoku policy was also a way of controlling commerce between Japan and other nations, as well as asserting its new place in the East Asian hierarchy. The Tokugawa had set out to create their own small-scale international system where Japan could continue to access the trade in essential commodities such as medicines, and gain access to essential intelligence about happenings in China, while avoiding having to agree to a subordinate status within the Chinese tributary system.

Japan's generally constructive official diplomatic relationship with Joseon Korea allowed regular embassies ( Tongsinsa ) to be dispatched by Korea to Japan. Together with the brisk trade between Tsushima and Korea, as well as the presence of Japanese in Pusan, Japan was able to access Chinese cultural, intellectual and technological developments throughout the Edo period. At the time of the promulgation of the strictest versions of the maritime prohibitions, the Ming dynasty had lost control of much of China and it was unnecessary, and perhaps undesirable, for Japan to pursue official diplomatic relations with either of the Ming or the Qing governments while the issue of imperial legitimacy was unsettled.

Japan was able to acquire the imported goods it required through intermediary trade with the Dutch and through the Ryukyu Islands. The Japanese actually encouraged the Ryūkyū Kingdom's rulers to maintain a tributary relationship with China, even though the Shimazu clan had surreptitiously established great political influence in the Ryukyu Islands. [7] The Qing became much more open to trade after it had defeated the Ming loyalists in Taiwan, and thus Japan's rulers felt even less need to establish official relations with China.

Liberalizing challenges to sakoku did come from within Japan's elite in the 18th century, but they came to naught. [11] Later on, the sakoku policy was the main safeguard against the total depletion of Japanese mineral resources—such as silver and copper—to the outside world. However, while silver exportation through Nagasaki was controlled by the shogunate to the point of stopping all exportation, the exportation of silver through Korea continued in relatively high quantities. [3]

The way Japan kept abreast of Western technology during this period was by studying medical and other texts in the Dutch language obtained through Dejima. This developed into a blossoming field in the late 18th century which was known as Rangaku (Dutch studies). It became obsolete after the country was opened and the sakoku policy collapsed. Thereafter, many Japanese students (e.g., Kikuchi Dairoku) were sent to study in foreign countries, and many foreign employees were employed in Japan (see o-yatoi gaikokujin ).

The policies associated with sakoku ended with the Convention of Kanagawa in response to demands made by Commodore Perry.

Challenges to seclusion

Many isolated attempts to end Japan's seclusion were made by expanding Western powers during the 17th, 18th and 19th centuries. American, Russian and French ships all attempted to engage in a relationship with Japan but were rejected.

  • In 1797 US Captain William Robert Stewart, commissioned by the Dutch from Batavia, took the ship Eliza of New York to Nagasaki, Japan, with a cargo of Dutch trade goods.
  • In 1803, William Robert Stewart returned on board a ship named "The Emperor of Japan" (the captured and renamed "Eliza of New York"), entered Nagasaki harbour and tried in vain to trade through the Dutch enclave of Dejima.
  • Another American captain John Derby of Salem, Massachusetts aboard the Margaret, tried in vain to open Japan to the opium trade. [17]

These largely unsuccessful attempts continued until, on July 8, 1853, Commodore Matthew Perry of the U.S. Navy with four warships: Mississippi, Plymouth, Saratoga, and Susquehanna steamed into the Bay of Edo (Tokyo) and displayed the threatening power of his ships' Paixhans guns. He demanded that Japan open to trade with the West. These ships became known as the kurofune, the Black Ships.

End of isolationism

Commodore Perry's fleet for his second visit to Japan in 1854. Commodore Perry's second fleet.jpg
Commodore Perry's fleet for his second visit to Japan in 1854.

The following year, at the Convention of Kanagawa (March 31, 1854), Perry returned with seven ships and forced the Shogun to sign the "Treaty of Peace and Amity", establishing formal diplomatic relations between Japan and the United States. The United Kingdom signed the Anglo-Japanese Friendship Treaty at the end of 1854.

Between 1852 and 1855, Admiral Yevfimiy Putyatin of the Russian Navy made several attempts to obtain from the Shogun favourable trade terms for Russia. In June 1853, he brought to Nagasaki Bay a letter from the Foreign Minister Karl Nesselrode and demonstrated to Tanaka Hisashige a steam engine, probably the first ever seen in Japan. His efforts culminated in the signing of the Treaty of Shimoda in February 1855.

Within five years, Japan had signed similar treaties with other western countries. The Harris Treaty was signed with the United States on July 29, 1858. These "Ansei Treaties" were widely regarded by Japanese intellectuals as unequal, having been forced on Japan through gunboat diplomacy, and as a sign of the West's desire to incorporate Japan into the imperialism that had been taking hold of the continent. Among other measures, they gave the Western nations unequivocal control of tariffs on imports and the right of extraterritoriality to all their visiting nationals. They would remain a sticking point in Japan's relations with the West up to the turn of the 20th century.

Missions to the West

The son of Nadar, photographed with members of the Second Japanese Embassy to Europe in 1863. Photographed by Nadar. JapaneseMissionAndNadarSon.JPG
The son of Nadar, photographed with members of the Second Japanese Embassy to Europe in 1863. Photographed by Nadar.

Several missions were sent abroad by the Bakufu, in order to learn about Western civilization, revise treaties, and delay the opening of cities and harbour to foreign trade.

A Japanese Embassy to the United States was sent in 1860, on board the Kanrin Maru.

In 1861 in the Tsushima Incident a Russian fleet tried to force open a harbour not officially opened to foreign trade with foreign countries, but was finally repelled with the help of the British.

An Embassy to Europe was sent in 1862, and a Second Embassy to Europe in 1863. Japan also sent a delegation and participated to the 1867 World Fair in Paris.

Other missions, distinct from those of the Shogunate, were also sent to Europe, such as the Chōshū Five, and missions by the fief of Satsuma.

See also

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  15. K. Jack Bauer, A Maritime History of the United States: The Role of America's Seas and Waterways, University of South Carolina Press, 1988., p. 57
  16. John, Derby. "The Derby Family" (PDF). Peabody Essex Museum. p. 3. Retrieved 15 December 2016.
  17. Asia Society of Japan, Long lecture Archived 2008-03-25 at the Wayback Machine .
  18. Polak 2001, p. 19

Further reading