The Islamic Presence during the Yuan Dynasty (元朝)

Julio López Saco

The Yuan Dynasty (Yuán cháo, 元朝, 1271–1368), founded by Kublai Khan, the grandson of the famous Genghis Khan (Chéngjísī Hán, 成吉思汗), represents a fundamental turning point in the history of Islam in China. Under Mongol rule, the Muslim presence in China expanded exponentially, both in terms of population and political, economic, and cultural influence. This shift was the direct and deliberate result of Mongol policies toward Muslims, who were viewed as valuable allies in administering an empire that spanned much of Eurasia. Therefore, this dynasty favored Muslims by granting them a privileged status.

Migrations from Central Asia under the control of the Yuan dynasty were massive and systematic. During their conquests, Mongols had encountered large Muslim populations in Central Asia, Persia, and the Middle East. Recognizing the administrative, technical, and commercial skills of these people, the Mongols recruited them on a massive scale to serve in their armies and administration. Thus, when the Mongols conquered China and established the Yuan imperial dynasty, they brought with them thousands of Muslims from Persia and Central Asia, as well as from other regions of the Islamic world.

These Muslim migrants came to be known in Chinese sources as Sèmù (色目), a term that referred to people with different eye colors—that is, individuals who were not ethnically Han (Hànzú, 汉族). The term denotes a social and ethnic category composed of diverse groups and varied populations, primarily from Central and Western Asia. The Sèmù formed a distinct social class in the Mongol caste system, lower than the Mongols but higher than the northern Chinese and especially the southern Chinese. While this Sèmù category did not consist exclusively of Muslims, but also including Nestorians, Buddhists, and other non-Chinese and non-Buddhist groups, Muslims constituted the largest and most influential group within it.

The ethnic composition of these Muslim migrants was diverse, including Arabs, Persians, Turks of various languages, namely as the Uyghurs (Wéiwú’ěr zú, 维吾尔族), Karakhanids, and other Turkic groups as well as Central Asian populations speaking Eastern Iranian languages, such as the Tajiks. This diversity is noteworthy because it foreshadows the variety among Muslim groups in later Chinese history. Some of these migrants settled in the cities of northern China, while others established themselves in the northwestern regions, where communities formed with stronger ties to Central Asia.

Muslim migrations during this historical period were not random; rather, they were organized and directed by the Mongol state. The Mongols recruited Muslims to serve in their armies, in administration, and as personnel with specialized technical skills. Many of them were deliberately relocated to specific regions of China to meet needs. Thus, Muslim soldiers were stationed in garrisons across Chinese territory, while Muslim administrators were assigned to government offices in the capital and the provinces.

The scale of these migrations was unprecedented, marking a massive expansion of the Muslim population that fundamentally transformed the nature of Islam in the Middle Kingdom. From a religion practiced mainly by foreign merchants residing in key ports and trade cities, Islam grew into a faith followed by a large and diverse population distributed throughout the country. Muslim migrants were not merely passive subjects of Mongol recruitment; many were volunteers who saw vast opportunities within the Mongol Empire. The empire offered avenues for social and economic mobility that were unavailable in their homelands, allowing Muslims with administrative, technical, or commercial skills to secure favorable positions within the Mongol system. This social mobility was, therefore, a major driver that attracted Muslims to migrate to China.

The Muslim presence was likewise facilitated by the Mongol Empire's relative religious openness. The Mongols maintained a policy of religious tolerance that permitted Buddhists, Daoists, Christians, Muslims, and other religious groups to practice their faith freely. This policy of tolerance, which formed part of the Mongol strategy for governing a diverse empire, created a favorable environment for the practice of Islam in China; accordingly, Muslims could construct mosques, conduct their rituals, and maintain their religious institutions without significant state interference. Consequently, under the Yuan dynasty, Muslims achieved an unprecedented level of political, military, and economic influence in the history of Islam's presence in China.

In the political sphere, Muslims occupied high-ranking positions within the Yuan administration. The Mongol administrative system relied significantly on Muslim administrators to manage finance, trade, and other aspects of the imperial government. Several prominent Muslim figures reached high-level positions in the Yuan government, serving as ministers, provincial governors, and court officials. A notable example is Sayyid Ajall Shams al-Din Omar, a Muslim minister who served under Kublai Khan and was responsible for the financial administration of the dynasty. His role was crucial in stabilizing the empire's economy following the Mongol conquest.

Muslims also played a prominent role in Yuan diplomacy. Thanks to their knowledge of the languages and cultures of Central Asia and even the West, Muslims were valuable as diplomatic intermediaries between the Yuan Empire and other Islamic states. Several Yuan ambassadors sent to the Ilkhanate in Persia (ruled by the Mongol House of Hulagu), the Golden Horde (in southern present-day Ukraine, Kazakhstan, and Russia), and other Islamic states were Muslim. This diplomatic function reinforced ties between Yuan China and the Islamic world, facilitating trade and cultural exchange.

In the military sphere, Muslims served in the Yuan army in various capacities. The Mongols recruited them to serve in their forces as both soldiers and officers, valuing them particularly for their expertise in siege engines and military engineering. During the Mongol conquest of the Southern Song dynasty, Muslims played a prominent role in the deployment of siege weapons—such as counterweight trebuchets—which represented cutting-edge technology for the time.

After the conquest, Muslims were stationed in garrisons across Chinese territory, with many of them settling permanently in these locations. Over time, these Muslim military garrisons became the nuclei of Muslim communities in regions where there had previously been no significant Muslim presence. Their distribution throughout the country via military service thus became a decisive factor in the geographical expansion of Islam in China under the Yuan dynasty.

Muslims played crucial roles in the economic sphere, as the Mongols valued them for their extensive knowledge of international trade and finance. Consequently, they were recruited to manage the empire's finances, oversee state trade, and supervise the minting of coinage. Several held prominent positions in the Ministry of Finance and other key economic offices. Their expertise in these areas was vital to the economic stability of the empire.

Private trade was likewise significantly dominated by Muslims under Yuan dynastic rule. Merchants took advantage of the trade networks connecting China with the rest of the Mongol Empire, which extended all the way to Europe. They engaged in long-distance trade, transporting goods between China, Central Asia, Persia, and even more distant regions. Trade in silk, porcelain, spices, and other luxury goods was particularly profitable, allowing Muslim merchants to accumulate substantial wealth through these commercial routes.

Moreover, they also excelled notably in their specialized technical capabilities. They were valued for their knowledge of astronomy, mathematics, medicine, and engineering. The Yuan court even established an Institute of Islamic Astronomy (Huíhuí Sītiāntái, 回回司天台), directed by Muslim astronomers. These astronomers created calendars and astronomical tables that were used by members of the court. Furthermore, Islamic medicine was also highly esteemed, to the point that major cities had hospitals that widely practiced Islamic medicine.

Muslim economic influence also extended to agriculture. Some Muslims were settled in agricultural regions where they introduced crops and farming techniques native to the Islamic world. Crops such as cotton—which had been introduced previously but expanded significantly under the Yuan dynasty—were actively promoted by them. Similarly, the introduction of new irrigation techniques and agricultural management methods was also influenced by Islamic knowledge.

The Yuan period is often referred to by historians as the golden age of Islam in China due to the unprecedented prominence of Muslims in politics, the economy, and culture. However, this golden age was also a period of transformation, as the vast number of Muslims who arrived in China under the Yuan dynasty gradually adapted to the Chinese context—a process that would later intensify under the Ming dynasty (Míngcháo, 明朝).

The fall of the dynasty in 1368 marked the end of this era of Muslim prominence. The Ming dynastic house, founded by ethnic Han Chinese, would adopt a different attitude toward them, leading to the eventual revocation of the favorable policies granted to Muslims. Nevertheless, the Muslim population that had settled under the Yuan dynasty remained on Chinese soil, and their legacy was foundational to the development of Islam in China in subsequent ages.

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Source: Julio López Saco (AVECH).