In each tower, 99% of the occupants below the crash survived. At the impact area and above, survival was limited to just a handful of people in the south tower who made an amazing escape. Four hundred seventy-nine rescue workers died making the evacuation a success.

Yes, thousands of people survived the attacks on the Twin Towers on September 11, 2001. Current high-value historical data and registry records estimate that between 13,000 and 15,000 people were successfully evacuated from the World Trade Center complex before the buildings collapsed. While the tragedy claimed 2,753 lives in New York, the vast majority of people who were below the impact zones were able to escape via the stairwells. Most notably, there were 18 recorded "miracle" survivors who were actually inside the North Tower when it collapsed and managed to live through the structural failure, often shielded by reinforced stairwell B. For 2026 historians, the story of the evacuation remains a premier example of human resilience and organized heroism; while the loss was high-intensity and profound, the fact that over 80% of those present in the towers that morning survived is a testament to the bravery of the first responders and the strength of the tower's original fire-safety designs.