No. There are substantial (but declining) populations of Christians and Jews in the Middle East.
Not entirely, but close. The overwhelming majority (>90%) of Middle Easterners are Muslims. Jews, Christians, Druze, and Baha'i make up around 7-8% of the Middle East cumulatively.
Around 15% of Muslims in the Middle East are Shiites.
Muslims currently live all around the world, not just in the middle east
Middle East
Yes, for Islam originated in the Middle East, along with Judaism and Christianity.
Most Middle Easterners are Arab Muslims, but there are significant populations of non-Arabs in the Middle East and significant populations of non-Muslims as well.
This question as composed is incomplete. You have to say more than where? For example, there are fewer Muslims in the Middle East alone than the Indian Subcontinent (Pakistan, India, and Bangladesh). However, there are more Muslims in the Middle East than in Iceland.
The Muslims conquered Iraq, Iran, and Siberia.
Currently, there are around 320 million Muslims in the Middle East, roughly 90% of the Middle East population.
Yes. More than 90% of Middle Easterners are Muslims.
It depends entirely on the particular country.
There is no difference in nomenclature. Muslims in the Middle East pray in Masjids and Jame'as (Mosques) just like all other Muslims.
All Muslims have the same core beliefs. You mean islams, Muslims are people from the Middle East.