Stakeholder Forum for a Sustainable Future was created in 1987.
It is unclear what you mean by "population" in this context. If you are referring to the number of people that work for Forum for the Future, I do not have that information. However, Forum for the Future is a non-profit organization that works with businesses and governments to create a sustainable future.
European Future Energy Forum was created in 2009.
The Answer Is created forum for nations in which international disputes could be settled
Montreal Forum was created in 1924.
French Forum was created in 2001.
The Libertarian Forum was created in 1969.
Forum for Equality was created in 1989.
Forum of Federations was created in 1999.
Architectural Forum was created in 1892.
Forum Theatre was created in 1929.
Eagle Forum was created in 1967.
Forum of the Venetians was created in 2008.