Nearly 90% of Bangladesh's population is Muslim,
one of the supports the country had in breaking away from India
when it did so with Pakistan. Among the last 10% of the
population, most of the people are Hindi.
Islam (the name of the religion, whose followers are called Muslims) is a monotheistic
religion, whose holy book is called the Qur'an. The Qur'an is believed to
be the word of God spoken through the prophet Muhammad from 609-632 CE (Common Era
is preferred over AD (Anno Domini or "year of the Lord") since the Islamic
world doesn't believe Jesus was the messiah). Islam believes Muhammad was the
last prophet sent to earth by God, the last in a long line of prophets, which includes
Moses, Abraham, and Jesus among others.
Muslims follow five pillars of their faith: testimony, prayer, alms-giving, fasting,
and pilgrimage. These pillars, and other tenants of their faith, can give great
structure to their lives as some foods, like pork, are forbidden and every Muslim
is expected to pray five times a day. However, the level of participation in each
of these pillars and to what degree Islam influences an individual's life varies
from person to person and community to community. Generally speaking, Bangladesh
is fairly liberal in how they practice Islam.