Meetings taken into consideration include those organized and/or sponsored by international organizations, as well as some national meetings with international participation. Not included are purely national meetings as well as those of an exclusively religious, didactic, political, commercial, or sporting nature, or corporate and incentive meetings.
The estimated total number of participants to all meetings was nearly 5.4 million people. (In 2009, it was nearly 5.2 million.)
The average registration fee per delegate per meeting was approximately $584. The average total expenditure per delegate per meeting was $2,655. The estimated total expenditure by delegates on all meetings was $13.8 billion.
The estimated total income from meeting registration fees for all meetings was more than $3 billion.The average income from registration fees per meeting was $333,617.
The average number of participants per meeting hit its lowest point of the decade last year: 571 participants per international meeting. (In 2001, that number was 696 participants, its highest point in the last 10 years.)