Shiats say that Imam must be appointed by God; that appointment may be known through the declaration of the Prophet or the preceding Imam. The Sunni scholars say that Imam (or Caliph, as they prefer to say) can be either elected, or nominated by the preceding Caliph, or selected by a committee, or may gain the power through a military coup (as was in the case of Muawiyah).
Shi'a scholars say that Imam must be sinless. The Sunni scholars (including Mutazilites) say that sinlessness is not a condition for leadership. Even if he is tyrant and sunk in sins (like in the case of Yazid, or Today's King Fahd), the majority of the scholars from the shools of Hanbali, Shafi'i, and Maliki discourage people to rise against that Caliph. They think that they should be presevered.
Shiats say that Imam must possess above all such qualities as knowledge, bravery, justice, wisdom, piety, love of God etc. The Sunni scholars say it is not necessary. A person inferior in these qualities may be elected in preference to a person having all these qualities of superior degree.
Shiats say that 'Ali was appointed by Allah to be the successor of the Prophet, and that the Prophet declared it on several occasions. More than one hundred of those occasions are recorded in the history. The Sunni scholars believe that the Prophet did not appoint anybody to be his successor. This is despite the fact that there are many traditions in the six authentic Sunni collections which support this assignment.
the Sunnis are the majority and the shiites are the minority.therefore the numbers of Sunnis are more than shiites populations.
No, Shiites outnumber Sunnis in Iraq. However, Sunnis over the world outnumber Shiites. World statistics is that Sunnis Muslim world percentage is 85% of total world Muslims. While Shiites are less than 15%. Refer to question below for more information.
There is no war between them Only the extremists create problem
What caused the split was Muhammad's death in 632.
No They are not Sunnis. They are Shiites.
The Sunnis are of bigger population. Of world Muslims, 85% are Sunnis.
Please see the two Related Questions below which discuss the differences of Sunnis with Shiites (together they represent >99% of Muslims) and for other much more minor sects like Ibadi, Ahmadi, etc.
Some Sunnis hate some Shiites and some Shiites hate some Sunnis, but the majority of the conflicts between them are not theological, but political, social, and economic. These labels work similarly to ethnic labels in the Balkans, ripping people and countries apart. It does not help that many Sunnis and Shiites purposely or unintentionally misconstrue the doctrines of the other in order to give Divine Legitimacy to what would otherwise be a vulgar brawl for resources.
661AD
Shiites and Sunnis. However, they are not splits as for example in Chritianity different denominations. Sunnis and Shiites differe in minor Islam details. Refer to question below.
Sunnis and Shiites
Answer 1Yes. However, there was no real split between Shiites and Sunnis. It is just some different views over some side issues that are not critical.Answer 2No. The split between Sunnis and Shiites occurred nearly 30 years earlier when Abu Bakr was elected by the Shoura Council to the position of Caliph against the will of Ali's supporters. Those supporters rejected the decision of the Shoura Council and became the Shiites. The Battle of Karbala crystallized this division since Ali had, by then, been assassinated, and his son Hussein (who was the next candidate supported by the Shiites) was butchered by the Caliph Yazid I without Sunnis rejecting Yazid's right to the Caliphate.