AAN Growth: Tracking Membership Changes
AAN membership has steadily increased each decade since the AAN was founded in 1948—with a 45-percent surge in only the last ten years.
Membership Categories
AAN membership categories are designed to recognize the educational and professional accomplishments of its members. The following chart lists the number of AAN members in each category in 2003 and 2008.
Each total represents membership as of December 31 of the year shown.
| 2003 | 2008 | 5 Year Growth | |
|---|---|---|---|
| Honorary (elected based on meritorious contributions) |
67 | 66 | -1% |
| Senior (retired or disabled) |
873 | 1,258 | 44% |
| Fellow (elected based on contributions) |
1,710 | 1,702 | 0% |
| Active (certified by qualifying body) |
8,153 | 9,782 | 20% |
| Associate (not certified by qualifying body) |
3,907 | 2,579 | -34% |
| Affiliate (non-physician neurology professionals) |
541 | 933 | 72% |
| Research Scientist | 365 | ||
| Non-neuro Clinician | 355 | ||
| Business Administrators | 213 | ||
| Junior (in residency or fellowship training) |
1,873 | 3,596 | 92% |
| Fellow | 762 | ||
| PhD | 4 | ||
| Resident | 2830 | ||
| Medical Students | 767 | 1305 | 70% |
| Corresponding Fellow (Outside of the U.S. and Canada elected based on contributions) |
320 | 269 | -16% |
| Corresponding Active (outside of the U.S. and Canada certified in his or her country) |
248 | 563 | 127% |
| Total | 18,459 | 22,053 | 19% |
Note: In 2008 we updated all members to Active who were identified by the ABPN as diplomats using the ABPN list which increased the Active count and reduced the Associate count. Previously this information was gathered by member notification.
