What age should trick or treating stop?

Trick or treating: the cry by children at Halloween when they call at housetop stop trick or treating? Indicating that they want a present or money or else they will play a trick on the householder. Trick or treating is for children to go around the neighborhood getting candy or treats from others during the month of October near Halloween. The question is what is the appropriate age to stop trick or treating? According to pollwizard.com the graph indicates the trick or treating shouldn’t have an age limit

Top of Form At what age should you stop trick or treating?			Vote Bottom of Form
8		2
9		2
10		2
11		12
12		23
13		58
14		12
15		17
16		9
17		4
18		25
19		1
20		1
21		3
Never...		153

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This graph indicates most people should never stop trick or treating and in my opinion and the second highest vote on this poll is at age 13. I think it’s weird when a teenager comes to your door asking for candy. That person probably thinks “wow these kids are desperate for candy” when realistically you can buy your own candy from the store for about 3 dollars. And if I look around I see more kids over the age of 13 trick or treating. It’s understandable when they have younger siblings but most of these teenagers are in groups of 5 or 6 trick or treating…I think they need to stop. It’s meant for little kids to go around for candy …not teenagers.