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Here’s the Size of the March For Our Lives Crowd in Washington

2 minute read

Hundreds of thousands of people converged on Washington, D.C. on Saturday to participate in the March For Our Lives — an effort led by Marjory Stoneman Douglas High School students with the goal of ending gun violence. Aerial photos provided a sense of the March For Our Lives crowd size on Saturday.

Organizers estimated that the March For Our Lives attendance in Washington, D.C. reached about 800,000 people, NBC News reported on Saturday afternoon. Law enforcement officials have not yet released an official crowd size estimate, but said they had prepared for 500,000.

The 2017 Women’s March attracted an estimated 500,000 people in Washington, D.C., according to crowd scientists cited by the New York Times, though some estimated it was even more. Crowd size is often difficult to determine exactly, and it can be a point of contention — as the long-running controversy over President Trump’s inauguration crowd size indicated.

Saturday’s demonstration brought downtown Washington to a standstill. From the foot of the Capitol to the White House more than a mile west, Pennsylvania Avenue and its tributaries were mobbed with demonstrators. They carried homemade signs while chanting, “Never again,” and “Vote them out.”

President Obama’s January 2009 inauguration, by comparison, was estimated at one million to 1.8 million attendees.

Crowds for President Barack Obama's January 2009 inaugurationDigitalGlobe/Google Earth
Demonstrators fill Pennsylvania Avenue as the March For Our Lives gets underway in Washington, D.C., on March 24, 2018.Gabriella Demczuk for TIME

With reporting by Nash Jenkins/Washington, D.C.

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Write to Katie Reilly at Katie.Reilly@time.com