Indonesia (203 millions), Bangladesh (145 million), Pakistan (174 million), and India (161 millions). The total number of Muslims in the world are estimated at 1571 million as of October 2009. Refer to the link below.
Each are accounting for around one fourth of the world population as of year 2009.
It means Muslims of the countries with Muslim majority population (around 50 countries).
Muslims anywhere around the world follow Ramadan.
All over the world as Muslims are spread almost in all world countries
Muslims worship almost in all countries of the world; either as majority or as minority.Allover the world
Ramadan is not a month to be celebrated , all Muslims around the world fast in Ramadan. The countries who celebrate Eid-El-Futur ( which is the end of Ramadan ) are: -Saudi Arabia, Lebanon, Syria ,Egypt and all of the other Arabic countries. - In addition to Malaysia and some other Islamic Countries. -Iran
Muslims do not worship any country. however, the question may be asking about in what countries do Muslims worship. The answer is Muslims worship in almost all countries of the world, either as majority or as minority.
Muslims worship almost in all countries of the world; either as majority or as minority.Allover the world
Around 1600 million Muslims.
If you mean the original language of Quran, then it is Arabic. However, there are Muslims all over the countries of the world and accordingly Quran is translated to almost all world languages to be readable by all world Muslims.
They are around 2000 millions Muslims worldwide (around 25% of world population). Around 85% of total Muslims are Sunni Muslims. Around 15% of total Muslims are Shiites Muslims.
The Muslims from all over the world come to Mecca to perform Hajj.