Shiʿi dynasties

In the first few centuries of the Shiʿah’s advocacy for ʿAlī’s family to rule, nearly all the region’s political entities were Sunni in faith. The main exception was the Ismāʿīlī Fāṭimids in North Africa.

Another group, the Būyids, originating in the Zaydi-dominated Caspian Sea region of northern Iran, swept through central and western Iran and eastern Iraq, capturing Baghdad in 945. They remained the chief power behind the ʿAbbāsid caliph until the Sunni Seljuqs took the city in 1055.

The Būyids were tolerant of all forms of Shiʿi discourse. Twelver scholarship in particular flourished both in Iran and, in the later years especially, in Baghdad. The years from the onset of the 12th imam’s occultation, especially the Būyid period, witnessed the composition of many works of theology and law and the compilation of collections of statements (Hadith and akhbār) attributed to the imams. Following the 1055 capture of Baghdad, many of the city’s Twelvers scattered. In later years the community mainly comprised small pockets of mostly Arab believers scattered across the region, including in Lebanon; in the cities of al-Ḥillah, Najaf, and Karbala in modern-day Iraq; in parts of the Persian Gulf; and in urban centres across the Iranian plateau. Very few copies of the religious texts produced by the Būyid-period and earlier Twelver ʿulamāʾ, or religious scholars, can be dated to these centuries, suggesting that many of these works had all but disappeared.

The Shiʿah also enjoyed a measure of tolerance during the years of Mongol rule over the region and under their successors, the Il-Khanids, who by 1258 had become established throughout Iran. The Il-Khan ruler Öljeitü (reigned 1304–16) is said to have become Shiʿi later in his life, and some Shiʿi-style coins were minted before the realm reverted to Sunnism after his death. During the reign of the Sarbadār dynasty in Khurasan, one of its rulers, ʿAlī Muʿayyad (reigned 1362–86), was also sympathetic to the Shiʿah and minted coins bearing the names of the 12 imams.

In 1501 Ismāʿīl I, the first ruler (Persian: shāh) of the Iran-based Ṣafavid dynasty (1501–1722), captured the ancient capital of Tabrīz and proclaimed Twelver Shiʿism to be the faith of his new realm. The Ṣafavid movement had originated some centuries earlier as a quietist Sufi order within Sunnism. A more recent influx of Turkic tribal elements, whose spiritual discourse combined “popular” Sufi mysticism with an exaggerated veneration of the Shiʿi imams, then came to the fore. This new discourse entailed little understanding of the intricacies of the Twelver faith’s distinctive doctrines and practices as detailed in (by now quite rare) copies of key Arabic-language texts produced by earlier generations of the faith’s urban-based, Arab ʿulamāʾ. The spiritual discourse of Ismāʿīl I and his son and successor Tahmāsp, faithful to that of their tribal supporters, remained heterogeneous. The unorthodox nature of their religious expression, together with an ignominious defeat at the hands of the Sunni Ottomans in the Battle of Chāldirān in 1514 and prolonged civil wars after their deaths, did not bode well for the dynasty’s future. Hence, very few Arab Twelver ʿulamāʾ left their homelands—even though most of them were now under Ottoman control—for Ṣafavid territory to assist in the propagation of the new faith.

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Beginning with the reign of ʿAbbās I (1588–1629) and through the 17th century, as part of a broader effort to bolster Ṣafavid legitimacy on the plateau after the tumultuous events of the previous century, the court and non-court elements were more actively supportive of the faith. The former in particular endowed schools and mosques in the capital of Isfahan and other urban centres across the realm. The latter, which included urban-based artisans, wealthier merchants, and tribal leaders, established shrines, mosques, and schools, and made endowments as well. Students from Iran and elsewhere in the region were provided with state support in an atmosphere that was politically more stable than the one that had marked the realm during the 16th century. Encouraged by the court, these ʿulamāʾ also promoted the use of Persian to propagate the faith throughout the realm.

With the faith increasingly better established in the empire, a series of religious debates that had preoccupied Twelver scholars from very early in the faith’s history were rekindled. These debates centred on the extent of the authority of the Twelver ʿulamāʾ during the 12th imam’s continued absence, specifically whether the ʿulamāʾ could make rulings on matters of distinctively Twelver doctrine and practice and represent the imam in matters of daily, practical importance to the community—e.g., the performance of Friday congregational prayer and the collection and distribution of religious taxes. The debates led to the rise of the Uṣūlīs, who argued that the senior ʿulamāʾ were designated representatives (nuwwāb, singular nāʾib) of the imam during his absence and were, therefore, entitled to assume the imam’s role in matters of the interpretation of doctrine and in carrying out the distinguishing practices of the community. To offer guidance therein, these scholars were to engage instead in a jurisprudential process that combined recourse to the Qurʾān and the statements of the imams with greater, or even sole, reliance on individual reasoning (ijtihād; the practitioner being called mujtahid, someone trained and therefore qualified to undertake ijtihād). By contrast, those affiliated with the Akhbārī school argued for greater recourse to the statements of the imams (called akhbār) and more limited, if any, reliance on ijtihād. The latter did, however, accept the authoritative position of the senior ʿulamāʾ in the life of the community during the imam’s absence.

These debates provoked interest in the works of earlier Twelver scholars and the early collections of the imams’ Hadith. This interest in turn resulted in the widespread copying of previously hard-to-find texts both in Iranian centres of the faith as well as elsewhere across the Shiʿi world.

The Ṣafavid period also witnessed a growing confluence of the interests of the clerical class with those of urban-based merchant and artisanal groups. The period’s new mosques and schools were often located in or very near local markets (bazaars), and, during the imam’s absence, the religious taxes collected in his name from merchants and artisans were a key source of revenue for senior clerics in their efforts to defend and propagate the faith. Taken together, the vast expansion of the religious infrastructure and the clergy-bazaar alliance that marked these years of Iran’s history laid the groundwork for the increasing material independence of the faith and the ʿulamāʾ from political institutions during later centuries.

During the Ṣafavid centuries the Arab Twelver communities scattered across the region remained very active. Encouraged by sympathetic local rulers, Shiʿism also established a presence in the Indian subcontinent, especially the Deccan region in South India. Scholars traveled back and forth between all these different centres of the faith.

In 1722 Afghan forces captured the Ṣafavid capital of Eṣfahān. They were expelled by Nādir Shāh (ruled 1736–47), who was, however, less supportive of the Twelver faith than the Ṣafavids had been. In these years, although many Iranian Twelver ʿulamāʾ remained in Iran—with a number marrying into the families of their bazaar allies—others relocated to other Arab and non-Arab centres of the faith, especially those in Iraq and India.

In Iran, during the Qājār dynasty (1796–1925), elements of the Iran-based Shiʿi ʿulamāʾ were increasingly protective of Iranian national interests against the encroachment of the British and the Russians. They opposed efforts by the Qājār rulers to enlist such foreign support to centralize power in their own hands at the expense of other constituencies, such as Iran’s many tribal groups, merchant and artisanal interests, and the clergy itself. Indeed, the interests of the clergy and those of the latter groups continued to be tightly interwoven: the ʿulamāʾ—their material, and therefore political, independence having been achieved—were often active opponents of any involvement with foreign powers that threatened their own interests or those of their allies. Such concerns were at the heart of the widespread, and ultimately successful, protest against the tobacco concession granted by the Qājār court to a British firm in the 1890s, and they also motivated the early 20th-century Constitutional Revolution, which established a constitution and a parliament in Iran to check the efforts of the Qājār shahs to further aggrandize their power.

Although Uṣūlism would become the community’s preeminent form of jurisprudence in the 19th century, this period did not witness any discourse suggesting that the Twelver ʿulamāʾ should formally assume the role of the imam as a political leader, whether in Iran—the only avowedly Shiʿi country—or elsewhere. After the fall of the Qājārs, power was assumed by the Pahlavi ruler Reza Shah and, later, by his son Mohammad Reza Shah. Both strove to check the power of the ʿulamāʾ and to break the clergy-bazaar alliance. Nevertheless, the continued independence of the clerical class based on that close relationship with the country’s commercial-artisanal elements remained an important factor in Iranian politics and was a key factor in the processes that resulted in the 1979 overthrow and exile of Mohammad Reza (see Iranian Revolution).

Shiʿism in the contemporary world

In the early 21st century some 10–13 percent of the world’s 1.6 billion Muslims were Shiʿi. While it is true that most Iranians are Shiʿi (up to 95 percent of more than 73 million people), most of the world’s Shiʿah are in fact not Iranian; Iran’s Shiʿah constitute perhaps 40 percent of the total Shiʿi population.

The Shiʿah account for the majority of Muslims in Iraq (65–70 percent) and Bahrain (65–75 percent). There are also large Shiʿi minorities in other Muslim countries, such as Lebanon (45–55 percent), Kuwait (20–25 percent), and Saudi Arabia (10–15 percent). In Afghanistan between 10 and 15 percent of Muslims are Shiʿi, and in Pakistan the Shiʿah represent between 10 and 15 percent of the population, or some 17–26 million people; the Pakistani Shiʿah may be the second largest Shiʿi community in the world, after the Shiʿah in Iran. About 2 percent of the population of India is Shiʿi—that is, some 16–24 million people. The Shiʿah can also be found in eastern Africa, Nigeria, Southeast Asia (Malaysia, Thailand, Indonesia, and Singapore), Europe, and North America. The Shiʿah are even found in Israel and the Caribbean. Among all the non-Iranian Shiʿah, Twelvers form the majority.

The Ismāʿīlī Shiʿah are the second largest group. They believe that Ismāʿīl, the eldest son of the sixth Ḥusaynid imam, Jaʿfar, did not die but went into hiding and had a son Muḥammad, who also went into hiding or died. The Ismāʿīlī community then fragmented. The Nizārī Ismāʿīlīs, numbering some 5–15 million adherents, are the largest remaining group of Ismāʿīlīs and follow a living imam; Aga Khan IV became the 49th in the line in 1957. Today Ismāʿīlīs are found in Pakistan and India, Central Asia, the Middle East, and East Africa, as well as Europe and North America.

The smallest of today’s three Shiʿi groups are the Zaydis. They fragmented into different groups, some relocating to sites in modern-day Iran. The Zaydis believe that any meritorious member of the Prophet’s household can publicly assert a claim to be the imam. Zaydis follow a living imam, although the most recent imam died in 1996. Zaydis represent about 35 percent. of the Muslims in Yemen, but there are also Zaydis in Saudi Arabia.