RE: Historical membership figures?
Here is the best I can do for you 87 through 2004
ACADEMY OF MODEL AERONAUTICS
MEMBERSHIP COUNTS
Year End Total
1987 122,880
1988 136,044
1989 153,103
1990 165,359
1991 168,190
1992 165,350
1993 168,074
1994 158,927
1995 154,322
1996 153,675
1997 149,700
1998 152,565
1999 157,331
2000 165,365
2001 170,754
2002 173,420
2003 168,075
2004 163,709