There are about 74 million children in the US and about 450K of them are in foster care and at least as many more have been moved to relatives by CPS (grandpare

There are about 74 million children in the US and about 450K of them are in foster care and at least as many more have been moved to relatives by CPS (grandparents, aunts/uncles, older siblings etc.) So well over 1% maybe as high as 2% ... not an extraordinarily small minority.