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CASUALTY RECORD // 17 Sep 1862

Antietam

Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.

Casualties by side

2 sides catalogued · combined 22,726 estimated

  • United States

    12,410

    Medium-confidence figure

  • Confederate States

    10,316

    Medium-confidence figure

Battle context

Emancipation opening

‹ Full battle dossier

Sources (18)

Last verified May 2026
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