There are over one Billion believers today all around the world.
Muslims.
Around 1600 millions (about one quarter of world population)
They worship in a temple sort of thing called a mosque.
to prey the site of the kaaba
A Caliph or khalifa is a sort of religious dictator, an Islamic ruler, considered to be the political-religious leader of an Islamic community of believers, ruling in accordance with Islamic law.
Us Muslims think we go to Allah when we die
It is due to the political plots planned and outlined by non-Muslims who looking for getting control over Muslim countries and their resources.
According to Islamic beliefs, Jannah is located in the afterlife, often described as a paradise or garden, where righteous believers are rewarded for their good deeds.
It isn't. The number of believers in Islam is more like a billion (a thousand million).
Yes, Muslim men are allowed to shave according to Islamic teachings, as long as it is done in moderation and does not lead to imitating non-believers or altering one's appearance in a way that goes against Islamic principles.
Around 2.1 million believers
The New Believers has 559 pages.