This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
Islam reaches the Americas across a story that runs far longer and in more layers than a single migration wave: it begins with enslaved West African Muslims brought to the Americas before abolition, continues through twentieth century immigration, and includes domestic conversion movements that arose independently of any migration at all. Taken together these three strands, forced transport, immigration and conversion, form a continuous Muslim presence in the Americas spanning more than a century.
Each strand carried Islam by a different route and a different set of people. Enslaved West Africans brought their faith with them against their will, well before the story's twentieth century chapters began. Twentieth century immigration then added new Muslim communities from across the Islamic world, arriving under their own choice rather than compulsion. Domestic conversion movements added a further channel again, growing the Muslim population from within American society itself rather than through arrival from elsewhere.
What this changed for Islam's spread was the growth, across the twentieth century, of an established and demographically significant Muslim population in the United States and Canada, built from these three distinct sources rather than any single wave, and longer and more layered as a story than the roughly contemporary postwar migration that brought Islam to Western Europe.