This document found at: http://www.bacbsa.org/advancement/

Advancement

Advancement and Recognition

Cub Scouts

RANKS
Tigers Cub - 1st grader (or age 7) and adult partners. 15 requirements in each of 5 areas
Bobcat - for all boys who join Cub Scouting.
Wolf - must have completed first grad (or age 8). 12 achievements
Bear - must have completed second grade (or age 9). 12 or 24 achievements over 4 categories.
Webelos - must have completed third grade (or age 10).
Arrow of Light - The highest rank in Cub Scouting

Boy Scouts

National BSA Boy Scout Advancement Fact Sheet
Policies related to rank advancement

Rank

Scout Badge (Boy Scout Joining Requirements)
Tenderfoot
Second Class
First Class
Star Scout
Life Scout

Eagle Scout

Eagle Palms (also requires a Board of Review)

MERIT BADGE PROGRAM
    Merit Badge requirements
    Merit Badge Counselors:
         To find a registered counselor, contact your District Advancement Chair
         To register as a counselor: submit TWO forms
              Merit Badge Counselor Application
              Adult Leader application