Muslims constituted 15 to 20 percent of enslaved Africans in America.

Evidence

Social scientists estimate that 15 to 20 percent, or, “as many as 600,000 to 1.2 million” members of the aggregate enslaved African population were Muslims. That is a staggering figure, particularly when juxtaposed with the dearth of attention given to, and public knowledge of, enslaved African Muslims in that time period of American history. — Khaled A. Beydoun, American Islamophobia_ Understanding…, 169

Categorization

• QUESTION: The 600,000-1.2M estimate deserves checking against the primary demographic sources the author cites.
• corroborated: 2 independent passages support this claim — Khaled A. Beydoun, American Islamophobia_ Understanding…, 169
• XREF: connects to: Roughly one in five enslaved Africans in America was Muslim — Carl W. Ernst, Islamophobia in America_ The Anatomy of…, 354; Tens of thousands of colonial slaves were Muslims; Enslaved Muslims built America’s infrastructure yet still lack reparations — Khaled A. Beydoun, American Islamophobia_ Understanding…, 546