here's more accurate stats for larceny-theft from the fbi   s/2017/crime-in-the-u.s.-2017/topic -pages/larceny-theft look at the "larceny-theft" figures here    and here (under 18s)    for under 18s blacks are 36.1% (other anons can work about what percent of the us population are black under 18s) for over 18s = 27.4. whites are around 60%
Australia