Muslims are those who submit to God as the one and only one God with no partner, no companion, no son, no father, no associate, and no equivalence. All God prophets since start of universe creation called for Islam in this sense. Islam per God revelation of Torah to Moses is called Judaism. Islam per God Bible revelation to Jesus is called Christianity, Islam per God revelation of Quran to Muhammad is called the very name Islam as it was the last God religion and prophet Muhammad is the last God prophet. Refer to questions below for more details.
Arab Muslims are currently minority (around 15% of total world Muslims) among world Muslims. One country only; Indonesia; has Muslim population around the same size of all Muslims in all Arab countries. Refer to related questions below.
Muslims are people who worship God (that they name Allah) as taught
by the Prophet Mohamed.