The exact number of victims—particularly the number of those killed at the World Trade Center—is not definitively known. However, the official death toll, after numerous revisions and not including the 19 terrorists, was set at 2,977 people. At the World Trade Center in New York City, 2,753 people died, of whom 343 were firefighters. The death toll at the Pentagon near Washington, D.C., was 184, and 40 individuals died outside Shanksville, Pennsylvania.