World Expos since 1851 by year and host country (2025)

Comprehensive information on World Expos since 1851. It includes details for each Expo such as the official name, official designation, year, host country, start and end dates, category, organisers, theme, sub-themes, official website, site area, number of participants, and total visits.

1.Methodology

This dataset was compiled from the official website of the International Bureau of Expositions

2.Definition(s)

• World Expos: a global gathering of nations dedicated to finding solutions to pressing challenges of our time by offering a journey inside a universal theme through engaging and immersive activities. World Expos, officially designated as International Registered Exhibitions, are organized by the host country, held every five years, and may last up to six months.
• Participants: The total number of official (countries, international organizations) and non-official participants (cities, regions, companies, NGOs) involved in the Expo.

3.Detailed breakdown

• Index: A sequential numeric to uniquely identify each row. It facilitates data referencing, sorting, and processing but does not represent a variable or dimension of the dataset itself.
• World Expo name: The official title of the World Expo, typically including the year and host city or country.
• Official Designation: The official designation or wording under which the Expo was announced.
• Year: The calendar year in which the Expo was inaugurated
• Host Country: The nation responsible for organizing and hosting the World Expo, where the main exhibition site and activities were held.
• Start date: The official date on which the Expo opened its doors to participants and visitors.
• End date: The official date on which the Expo concluded, marking the end of exhibitions and public access.
• Category: The classification of the exhibition, such as World Exhibition or International Registered exhibition.
• Organisers: The organizing authority or institutions appointed by the host country to plan, manage, and deliver the World Expo.
• Theme: The central subject or universal challenge chosen by the host country to guide the Expo’s exhibitions, pavilions, and events.
• Sub-themes: Specific topics linked to the main theme that provide a more detailed framework for exhibits and activities.
• Website: the link to the website of the services provided.
• Visitors: The total number of visitors