Nigeria is home to 670,000 to 740,000 slaves , according to 2013 report . John Sutter : Nigeria kidnappings highlight horrific worldwide problem . Mauritania , a West African country I visited in 2011 for a CNN story , ranks as having the highest percentage of enslaved people , according to that report . Sutter talks with slavery experts about what could happen to the kidnapping victims . Score: 6 ` We ca n't let this be the new normal ''
Nigeria is home to 670,000 to 740,000 slaves , according to 2013 report . John Sutter : Nigeria kidnappings highlight horrific worldwide problem . Sutter talks with slavery experts about what could happen to the kidnapping victims . Score: 6 ` We ca n't let this be the new normal ''