for Shia Islam Iran and Iraq
for sunni Islam Egypt and Saudi Arabia
yes
Islam
There are 50 Muslim majority countries. Refer to question below.
Eastern orthodox is the main, with more than a little Islam
Buddhism is the predominant religion in the majority of southeast Asian countries and Islam is also widespread but only two countries have Catholicism as their main religion, the Philippines and East Timor.
Nation of Islam (NOI) is different than main stream Islam. NOI is not considered belonging to Islam per God revelation of Quran by God to prophet Muhammad (PBUH). Refer to question below. NOI is located only in USA.However, if you mean countries where Muslims are in, then all countries of the world but with different percentages.
there are many in Islamic countries. for example Al-Azhar university of Egypt is main center for Sunni Islam and Qum in Iran is main center for Shia Islam.
Other than India (Hinduism), it could be Islam or possibly Buddhism.
Buddhism is the predominant religion in the majority of southeast Asian countries and Islam is also widespread but only two countries have Catholicism as their main religion, the Philippines and East Timor.
Muhammad was the main prophet of Islam.
It's our religion that we believe in , Egypt and some countries in north Africa main religion is Islam , however its not the only religion in the country .
More than 50 Islam Countries in the world..