The 2010 World Expo in Shanghai has brought in more than 8 million visitors in the first month since it opened on May 31, 2010. The largest daily total was 503,600 visitors. More than 190 countries and more than 50 international organizations have registered to participate in the Shanghai World Expo, the largest ever.
China expects to receive almost 100 foreign leaders and millions of people from across the world to come and visit the World Expo. More than 70–100 million visitors are expected to visit the expo, which would make it the most visited in history.