of the total number of notifications (355,935), 164,987 cases (involving 115,024 children) of child abuse were investigated or were in the process of being investigated. Of these investigations, 60,989 cases were substantiated Brazil Brazil has a mandatory reporting system for child maltreatment that is enforced by the health and educational systems, but due to the absence of national prevalence surveys, the difference between data generated by such mandatory reports and actual incidence of abuse is not known, although it is believed that mandatory report systems may result in underreporting. While specific data on mandatory reporting is unavailable, data collected from 314 municipalities (out of 5564) across the country revealed that in the second half of 2005 alone, 27,986 children received attention from the Social Welfare Centers: either because of sexual abuse (13,240), psychological violence (4,340), neglect (4,073), physical violence (3,436) and sexual exploitation (2,887). Most victims were in the 7–14 years group (17,738). 4,936 were under 6 years old. Canada Canada provides data on substantiations but not reports. In Canada in 2008, 36% of all investigations were substantiated, with a further 8% of investigations where maltreatment remained suspected by the worker at the conclusion of the investigation and a further 5% with a risk of future maltreatment. 30% of investigations were unfounded and 17% resulted in no risk of future maltreatment was indicated. United Kingdom England provides data on substantiations but not reports. In 2012, the UK reports 50,573 children were on child protection registers or subject to a child protection plan: England (42,850), Scotland (2,706), Wales (2,890), Northern Ireland (2,127). United States In the US there was a 2348% increase in hotline calls from 150,000 in 1963 to 3.3 million in 2009. In 2011, there were 3.4 million calls. From 1992 to 2009 in the US, substantiated cases of sexual abuse declined 62%, physical abuse decreased 56% and neglect 10%. Although the referrals increase each year, about 1% of the child population is affected by any form of substantiated maltreatment. In the US, there are approximately 3.6 million calls each year: 9,000/day, 63,000/week, affecting on average 1 out of 10 U.S. families with children under the age of 18 each year (there are 32.2 million such families). From 1998 to 2011 there were a total of 43 million hotline calls. Of those substantiated, over half are minor situations and many are situations where the worker thinks something may happen