The main difference between Sunni and Shia Muslims is what both of them are based on:
Diversity isn't just present in regions but also religion. The two most recognized denominations of Islam religion are Shia and Sunni.
Shia Muslims have their religion based on the Holy book of Quran. According to them, the power of choosing his representative lies with God himself and no one can oppose what the Quran chooses. This representative will be the one safeguarding the Islam religion.
The bases of Sunni religion begins from the Six Pillars of Iman. They are the six articles of faith followed by Sunni passionately. The articles are:
Other things that may differentiate a Sunni Muslim from a Shia Muslim are: