A lot of the Muslims in the UK are Pakistanis, and they are generally less educated and polygamous, and tend to be religious fanatics.
In the US at least a third are American born members of the Nation of Islam or one of its offshoots.They are not polygamous, they tend to keep to themselves and rarely seem to run afoul of the law. We also have Indian Muslims, who are generally connected to the computer industry and are university graduates. And we have refugees from Afghanistan, Iraq, Somalia and West Africa. Many of the Muslims came here for an education and took jobs here after graduation.
We have a number of Sikhs, and they tend to be model citizens.
A few of the Somalis have gotten involved in wars overseas.
There are more Muslims, notably Arabic speakers, in Michigan.