If by "friendship badge" you mean the round, purple badge with the fleur-de-lys, rope, and stars, The BSA call it the "World Crest" and it is worn by all members of the BSA, except Sea Scouts, above the left pocket, centered half ay between the top of the pocket and the shoulder seam.
Sea Scouts do not wear the World Crest at this time on any of their uniforms.
The Whittl'n chip badge in Cub Scouts is earn by Bears and above, by learning how to handle a knife properly and safely and demonstrating that you have this knowledge. A Cub Leader will issue you the badge when you have done all of this and have the right to use a knife.
It is not really a badge (at least not one that is earned). It is the symbol of international scouting and is worn to express unity with scouts all over the world. It is part of the standard uniform of Cub Scouts, Webelos, Boy Scouts, and Venture Scouts and so worn by all of them. It is not part of the uniform for Sea Scouts or Girl Scouts.
The "Super Achiever" or "Heavy Shoulder Award" is an informal distinction bestowed by the Pack on WEBELOS scouts that earn all 20 activity pins. Since it is not an actual BSA badge or award I doubt there are any statistics available. My personal experience is that it is about 5-10% of bridging WEBELOS (finishing Cub Scouts and moving to Boy Scouts) with about half or less of all Cub Scouts bridging.
Typically, boys join Cub Scouts when they are in first grade.
The United States has a large number of Cub Scouts due to the popularity of the scouting program in the country. Cub Scouts are part of the Boy Scouts of America organization.
Cub Scouts
There is no patron saint of Cub Scouts but they are part of the Boy Scouts. The patron saints of Boy Scouts are St. Amand and St. George.
There are roughly 1.6 million youth members of the Cub Scouts in the US.
No. Cub Scouts and Girl Scouts are different organizations and belong to different international organizations.
The Cub Scouts were launched in the US in 1930. They were started by the BSA, not any one individual.
No. If you were to capitalize them, it would imply that all members of the Cub Scouts are with their mothers. The name of the organization, the Cub Scouts, is capitalized. If it is otherwise t is not. Example: After hearing a cub scout talk about all of the fun things he was doing John asked his mom if he too could joint the Cub Scouts.
A Cub Scout is a boy who is enrolled in a Cub Scout Pack. Cub Scouts is a branch of the Boy Scouts of America that is made up of boys in 1st Grade to 5th Grade.