Table 1.

North American rates of reported child sexual abuse (CSA) from national incidence studies.

Incidence study	County	CSA rate
NIS-2, 1991	United States	2.1/1,000
NIS-3, 1996	United States	4.5/1,000
NIS-4, 2010	United States	2.4/1,000
CIS-1998	Canada	0.89 Substantiated cases/1,000 children
CIS-2003	Canada	0.62 Substantiated cases/1,000 children
CIS-2008	Canada	0.43 Substantiated cases/1,000 children

This table shows summary data for “above the surface” childhood sexual abuse (CSA) incidence rates for both the United States in the National Incidence Studies (NIS) and for the Canadian Incidence Studies (CIS), with the latter only reporting on verified cases reported to child welfare services.