 Serious violent crime and aggravated assault against blacks (58% and 61%) and indigenous Americans (55% and 59%) was reported more often than against whites (51% and 54%) or Asians (50% and 51%).indigenous Americans were unusually unlikely to report a robbery (45%), as with Asians and a simple assault (31%).Despite the differences in the amount of crime reported, comparisons of the UCR and NCVS data sets show there to be a high degree of correspondence between the two systems.