Charapedia asked 10,000 anime fans the question: Which anime or manga character who is a kid is the strongest? And from thousands of fans, most of the responses are from the male fans (60.5%), female fans (39.5%) and teens to adults in their 20s (62.4%) while the other 37.6% are 30 and over.
Here are the results:
20) Aladdin – Magi
19) Trunks – Dragon Ball
18) Beelzebub – Beelzebub
17) Child Emperor – One Punch Man
16) Reborn – Ketekyo Hitman Reborn!
15) Wendy Marvell – Fairy Tail
14) Kagura – Gintama
13) Gotenks – Dragon Ball
12) Illyasviel Von Einsbern – Fate Stay Night series
11) Son Goku – Dragon Ball
10) Killua Zoldyck – Hunter x Hunter
9) Shinnosuke Nohara – Crayobn Shin-chan
8) Sakura Kinomoto – Cardcaptor Sakura
7) Takeshi Gouda / Gian – Doraemon
6) Gon Freecss – Hunter x Hunter
5) Ash Ketchum / Satoshi – Pokemon
4) Conan Edogawa – Detective Conan
3) Arale Norimaki – Dr. Slump
2) Nanoha Takamachi – Magical Girl Lyrical Nanoha
1) Son Gohan – Dragon Ball