Today Arabic is spoken throughout the Arabian Peninsula, Iraq, Syria, Jordan, Lebanon, Palestine, Morocco, Tunisia, Algeria, Libya, Egypt, Sudan, Mauritania, and Chad. It is the mother tongue of over 225 million people in Africa and Asia. And since the Qur'an is written in Arabic, people in other Muslim countries have from basic to advanced knowledge of Arabic like in Indonesia (largest Muslim population), Malaysia, Pakistan, Bangladesh, Afghanistan, Azerbaijan, Turkmenistan, Uzbekistan, Tajikistan, Kyrgyzstan, Kazakhstan, Turkey, Israel, India also has one of the world's largest Muslim populations, although Islam is not the principal religion there. Djibouti, Gambia, Guinea, Mali, Niger, Senegal, Somalia, and Sudan, Eritrea, Ethiopia, Ghana, Tanzania (Zanzibar is predominantly Muslim), Nigeria ...and in many places where Islam is the dominant religion, or even among small Muslim communities, since Arabic is related directly to the Qur'an, the holy book of Muslim.
Arabic is like any other language, easy in some aspects and hard in some others, depending on the learner’s background, and ability to adapt to new rules. A person whose mother tongue is Hebrew will find it easier than a person whose mother tongue is Spanish or English, because of the similarities, also a person who speaks more than one language is more likely to learn it easier, because his/her brain is already trained to deal with more than one language and adapt with new rules, new vocabulary...