Norway, Finland, Sweden, Germany, Japan, New Zealand all have universal childcare and seem to have a lot less teen violence than the US that has no universal childcare.
Even if it is, it is worth noting that it isn’t all sunshine and roses in those countries from a demographic point of view, notwithstanding universal childcare.
For instance, New Zealand is facing an uncertain future due to weak economics, leading New Zealanders seeking prosperity elsewhere: https://www.theguardian.com/world/2025/may/09/leaving-new-ze...