By Number of Arabic Speakers:
1. Egypt: With over 90 million Arabic speakers, Egypt has the largest number of native Arabic speakers.
2. Sudan: With over 40 million Arabic speakers, Sudan has the second-largest number.
3. Algeria: With over 35 million Arabic speakers, Algeria comes in third.
4. Iraq: With over 35 million Arabic speakers, Iraq is close behind Algeria.
5. Morocco: With over 30 million Arabic speakers, Morocco has the fifth-largest number.
By Percentage of Arabic Speakers:
1. Mauritania: With Arabic as the official language and spoken by almost the entire population, Mauritania has the highest percentage of Arabic speakers.
2. Oman: With Arabic as the official language and spoken by a large majority of the population, Oman has a very high percentage of Arabic speakers.
3. United Arab Emirates: With Arabic as the official language and spoken by a majority of the population, the UAE has a high percentage of Arabic speakers.
4. Qatar: Similar to the UAE, Qatar has a high percentage of Arabic speakers.
5. Kuwait: With Arabic as the official language and spoken by a large majority of the population, Kuwait also has a high percentage of Arabic speakers.
By Geographic Area:
1. The Arabian Peninsula: This region includes countries like Saudi Arabia, Yemen, Oman, UAE, Qatar, and Kuwait, where Arabic is the predominant language.
2. North Africa: Countries like Egypt, Sudan, Algeria, Morocco, Tunisia, and Libya are all primarily Arabic-speaking.
3. The Levant: This region includes countries like Syria, Lebanon, Jordan, and Palestine, where Arabic is widely spoken.
Ultimately, the "top most" Arabic-speaking countries depend on the criteria you use.