This raises a question I've wondered about. Can a parent who doesn't want their child "give up" the child to the state without any strings attached? I.e., without doing something bad that would cause the state to take away the child and without being on the hook to the state for future child care.
Before you tell me that enormous crowds are waiting to adopt cute healthy babies, imagine for example a dangerous delinquent adolescent with a serious genetic disorder. Can you voluntarily ask the government to take such an unwanted child with no further contact and no financial obligation?
You would think that this situation comes up frequently, and that there should be a process: Fill in form 54F, signed and notarized by both parents. But it's surprisingly difficult to google a clear-cut answer for any country or jurisdiction.