By most accounts outside of a few specific areas, youth-related crime is in decline in both the US and UK and other things such as teen pregnancy are at a three decade low.
Don't just take my word for it...
https://www.economist.com/news/brita...n-faster-among
https://www.newyorker.com/magazine/2...-crime-decline
http://www.justicepolicy.org/mobile/news/9854
https://www.independent.co.uk/voices...e-9387380.html
And what if spanking doesn't work either?