[size=13pt]14. NIGERIA [/size]

FSI index: 101.1

In April 2011, Goodluck Jonathan , a Christian from Nigeria's southern, oil-producing Niger Delta, resoundingly won what was arguably the country's fairest presidential election ever . But he was immediately confronted with violent protests in the Muslim north that highlighted the deep ethnic, regional, and religious divisions in Africa's most populous country. Now, Jonathan is grappling with violence from another source: the Islamist group Boko Haram, which has killed more than 1,000 people since mid-2009. The militants' brazen attacks on everything from churches to the U.N.'s headquarters in Abuja coincided with mass protests across the country over the removal of fuel subsidies -- an action the government later walked back .

Here, female students stand in a burnt classroom at Maiduguri Experimental School, a private school burnt by the Islamist group Boko Haram to discourage children from seeking education in Maiduguri, northeastern Nigeria, on May 12, 2012.