The definition of AA is Alcoholics ANONYMOUS. You will only get an estimate and never a definite answer because the people in AA value their anonymity very much.
600,000 members nationwide.
300,000
12000
12000
With two senators for each of the fifty states, the United States of America Senate has 100 members. The senate of the United Mexican States (Mexico) has 128 members. The Canadian Senate has 105 members.
With nineteen state associations and 45,000 members in middle, secondary, and post-secondary schools throughout North America
Currently, more than 25,000 active members participate in the organization.
As of 2010 there was just over 120,000 HOSA (Health Occupation Students of America) members in the nation.
IIRC, they mention it on their web site.
About a billion people.
There are about 60,000 Japanese people in North America.
Former members of the CSA (Confederate States of America) --- the Southern Army in Civil War.