"International Registered Exhibition"
The World Expo – one of the world’s oldest and largest international events – takes place every five years and lasts for six months. Participants include states, international organizations, civil society groups, corporations, and citizens.
The size of the site is unlimited and participants may build their own pavilions.
A World Expo is further characterized by the broad scope of the chosen theme, which must be of universal concern to all of humanity.
List of BIE Member States
