[dfwgator]

What percentage of Russia’s population is Muslim, and at what rate is their population increasing compared to non-Muslims?

[Corporate Democrat]

Russia's Muslim population is highly concentrated in the area surrounding Central Asia and around Crimea and is about 5%. I don't think Russia does public statistics on the birth rates of Muslims specifically though.

There are a lot of Muslim 'migrant workers' who travel long distances to Russian metros who are viewed and treated a lot like the illegal immigrants here. They provide low wage labor in many of the cities, which occasionally generates some newsworthy drama.