The historic Women’s March on Washington had about three times more people in attendance than at President Trump’s inauguration, crowd experts told The New York Times on Saturday.

Estimates by crowd scientists shows at least 470,000 people were in Washington, D.C., near the National Mall at 2 p.m. Saturday. At Trump’s inauguration, there were about 160,000 people in the same area.

Crowd scientists Marcel Altenburg and Keith Still of Manchester Metropolitan University in Britain shared their estimations with the Times. Nearly 3 million around the world gathered for marches on Saturday.

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The Washington, D.C. metro reported that Saturday was its second-busiest day in the city’s history, with more than 1 million trips taken on the metro. The busiest day ever was former President Barack Obama Barack Hussein ObamaThe Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon Trump appointees stymie recommendations to boost minority voting: report Obama's first presidential memoir, 'A Promised Land,' set for November release MORE’s Inauguration Day in 2009.

On Trump’s Inauguration Day on Friday, about 570,000 trips were taken on the metro.