Many people follow a way called Twelver. 
Many people follow a way called Twelver. They believe in twelve special leaders. These leaders are called Imams.
These Imams come from the family of Muhammad. People believe these leaders are very good. They do not make mistakes or do wrong. They help guide the people in many ways.
The Imams help people understand their holy book. They also help people follow their laws. This keeps the group together.
Many people live in lands like Iran and Iraq. They also live in places like Lebanon. These people follow the same ideas.
It is a very big group of people. Do you want to learn more about them?
Twelver Shi'ism is a large branch of Islam.
Twelvers believe in twelve special leaders called Imams. These leaders come from the family of the prophet Muhammad. The first Imam was Ali ibn Abi Talib. The last Imam was Muhammad al-Mahdi.
Followers believe these Imams are chosen by God. They believe the Imams cannot make mistakes or sin. This idea is called Ismah. The Imams help guide the Muslim community. They help people understand the Qur'an. They also help people follow Islamic law, known as Sharia.
There are about 170 to 220 million Twelvers in the world. Most live in Iran, Iraq, and Azerbaijan. Iran is the only country where this is the state religion. Many people also live in Lebanon and Bahrain.
Over time, many scholars helped grow these ideas. Some schools of thought used reason to study the law. Others focused on the words of the Imams. These different ways helped shape the faith we see today. 
A drawing of the twelve Imams.

Twelver Shi'ism is the largest branch of Shia Islam. It is a belief system with a very long history. Many people follow these ideas today. There are about 170 to 220 million Twelvers around the world. They believe in a special line of leaders called Imams. These leaders are meant to guide the whole Muslim community, or Ummah. They help people understand the Qur'an and follow Islamic law, which is called Sharia.
Twelvers believe these Imams are chosen by a divine decree. This means they are appointed by God rather than by people. The Imams are seen as perfect examples for others to follow. Because of this, followers believe the Imams are free from sin or error. This special quality is known as Ismah, which means protection. The Imams are expected to rule with justice. They also have the authority to explain the deeper, hidden meanings of holy texts. 
The name "Twelver" comes from the belief in twelve specific leaders. This line begins with Ali ibn Abi Talib. It ends with Muhammad al-Mahdi. These twelve men are all descendants from the family of the prophet Muhammad. Some people also call this group the Imamiyyah. This name refers to the belief in the infallibility of the Imams. Other names like Ja'fari come from the sixth Imam, Ja'far al-Sadiq. He was a very important teacher of religious law.
History shows how these ideas grew over many centuries. In the beginning, some supporters of Ali were called the Shiites of Ali. Later, leaders like Muhammad al-Baqir and Ja'far al-Sadiq helped form the religious laws. During the ninth century, the religion flourished as books were translated into Arabic. In the year 1501, Isma'il I started the Safavid dynasty in Iran. He made Twelver Shi'ism the official religion of his empire. This helped make Iran a major center for religious learning.
Today, Twelver Shi'ism is found in many different places. Most followers live in Iran, Iraq, and Azerbaijan. Iran is the only country where it is the state religion. You can also find large groups in Bahrain and Lebanon. There are also many people in India, Pakistan, and Afghanistan. Some smaller groups live in Saudi Arabia, Kuwait, Oman, and the United Arab Emirates. Even though different groups have different rules, they all share important ideas about the Imamate. 
Twelver Shi'ism is the largest branch of Shia Islam. It is a belief system centered on the leadership of the Imams. These leaders are viewed as divinely appointed successors to the prophet Muhammad. Twelvers believe these Imams possess special authority to guide the Muslim community, known as the Ummah. They are seen as exemplary humans who rule with justice. The Imams are also believed to preserve and interpret Islamic law, or Sharia. Furthermore, they are thought to understand the esoteric, or hidden, meanings of the Qur'an.
Central to Twelver theology is the concept of Ismah. This term means "protection" and refers to the infallibility of the Imams. Because they are protected, the Imams are believed to be free from error and sin. This status is established through nass, which is a divine decree. This decree is passed from Muhammad to his successors. The words and deeds of the Imams, along with the sunnah of Muhammad, serve as a model for all followers. This ensures that the community has a perfect guide for both spiritual and political life.
The term "Twelver" refers to a specific lineage of twelve male descendants of Muhammad. This line begins with Ali ibn Abi Talib and concludes with Muhammad al-Mahdi. Because of this belief, the group is also called the Imamiyyah. This name highlights their focus on the infallibility of the Imams. Another name used is Ja'fari. This comes from Ja'far al-Sadiq, the sixth Imam. He is credited with presenting a significant legal treatise. His teachings helped form the foundations of Shia jurisprudence, or the study of religious law. 
The history of Twelver Shi'ism involves many periods of development and crisis. In the early years, supporters of Ali were known as the Shiites of Ali. During the first century, the city of Qom became a settlement for the Shia. In the eighth and ninth centuries, religious sciences flourished. This was aided by the translation of scientific and philosophical books into Arabic. Under the ruler al-Ma'mun, the Shia experienced more freedom from political pressure. This allowed for deeper intellectual debates and the expansion of religious views.
During the tenth century, the Baghdad school became a center for theological growth. Scholars like Al-Shaykh al-Mufid worked to integrate different ideas. He used Mu'tazili theology to help form Twelver thought while maintaining the importance of revelation. Later, Shaykh al-Tusi established the bases of reasoning in Shia jurisprudence. He founded the practice of Ijtihad, which is the use of reasoning to derive legal principles. His work, al-Mabsut, helped bring religious law into a new period of structured reasoning. 
In the thirteenth century, the School of Hillah emerged as a new learning center. Following the collapse of the Abbasid dynasty in 1256, the Mongols ruled the region. This period allowed the scholars in Hillah to develop more rationalistic traditions. Ibn Idris al-Hilli suggested that 'aql, or human reason, could be a source of law. Later, al-Muhaqqiq al-Hilli introduced qiyas, or analogy, into the legal process. This movement gave a definite shape to Shia jurisprudence and helped separate sound traditions from weak ones.
A major shift occurred in 1501 when Isma'il I established the Safavid dynasty in Iran. He declared Twelver Shi'ism as the official state religion. This transformed Iran into a major center for Imami jurisprudence. Scholars like Karaki helped establish great seminaries, or Hawzas, in cities like Qazvin and Isfahan. Later, the School of Isfahan integrated philosophy and mysticism. The scholar Mulla Sadra created a synthesis of theology, philosophy, and Sufi studies. This intellectual tradition was passed down through his students to followers in Iran and India.
Today, Twelver Shi'ism is a global faith with approximately 170 to 220 million followers. It is the state religion in Iran. It also represents most of the population in Iraq and Azerbaijan. Significant minorities live in Bahrain, Lebanon, India, Pakistan, and Afghanistan. There are also Twelver communities in Saudi Arabia, Kuwait, Oman, and the United Arab Emirates. While they share some beliefs with other groups, like the Isma'ilis, Twelvers are distinct. They specifically uphold Muhammad as the "Seal of the Prophets" and reject the changing of Sharia laws.
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