To become a member of AIA you must be a legally licensed Architect. That is to say, all AIA's are RA's, but not all RA's are AIA's.
AIA
Currently licensed to practice architecture in a U.S. State or Territory.
Associate AIA
Not licensed to practice architecture, but meeting one of the following:
[ul][li]Participate in career responsibilities recognized by licensing authorities as constituting credit towarad licensure (i.e., interns) [/li]
[li]Are under the supervision of an architect in a professional or technical capacity [/li]
[li] Are a faculty member in a university program in architecture [/li]
[li] Hold a professional degree in architecture[/li][/ul]
International Associate AIA
Holder of an architecture license or equivalent from a non-U.S. licensing authority, but without license in the U.S.
Emeritus AIA
An AIA member for 15 successive years and 70 years of age, or 60 years of age and fully retired, or incapacitated so as to be unable to work within the profession.
Allied AIA
individual allied membership is open to engineers, planners, landscape architects, sculptors, muralists, artists, and those in government, education, journalism, manufacturing industry, and other fields allied to architecture.