International Expos are organized between two World Expos and have a duration of 3 months. Participants include: nations, international organizations, NGOs, corporations and other institutions.
The size of the site is limited to 25 hectares and participants customize pavilions that are built by the organizers.
The theme of the International Expos is the main focus, and provides the key driver for all other dimensions: architectural, events, participation, modes of cooperation, etc. The official denomination in the BIE regulations is International Recognized Exhibitions.
International Expos regulated by the BIE since 1931
| Stockholm 1936 - Sweden | 1974 Spokane - USA |
| Helsinki 1938 – Finland | 1975 Okinawa – Japan |
| Liege 1939 - Belgium | 1981 Plovdiv – Bulgaria |
| Paris 1947 - France | 1982 Knoxville – USA |
| Stockholm 1949 – Sweden | 1984 New Orleans– USA |
| Lyon 1949 - France | 1985 Tsukuba– Japan |
| 1951 Lille – France | 1985 Plovdiv– Bulgaria |
| 1953 Jerusalem – Israel | 1986 Vancouver – Canada |
| 1953 Rome – Italia | 1988 Brisbane – Australia |
| 1954 Naples – Italy | 1991 Plovdiv - Bulgaria |
| 1955 Turin – Italy | 1992 Genoa - Italy |
| 1955 Helsingborg - Sweden | 1993 Taejon - Korea |
| 1956 Beit Dagon - Israel | 1998 Lisbon - Portugal |
| 1957 Berlin - Germany | 2005 Aichi – Japan |
| 1961 Turin - Italy | 2008 Zaragoza – Spain |
| 1965 Munich - Germany | 2012 Yeosu - Korea |
| 1968 San Antonio - USA | |
| 1971 Budapest– Hungry |
