The youngest I have ever seen is 6 years old.
Holy cow! That is ridiculous! I was baptized when I was 10, and I thought THAT was young!
I am still on speaking terms with family about everythinge except JW things. About a month ago, my 14 year old neice got baptized. They didn't tell me. I found out by seeing her baptismal pictures on Instagram. My heart sank when I saw them. She is so young. She has no idea what she has done, and what consequences her baptism will bring later on.