The Migration Information Source’s annual Top 10 examines key migration developments of 2014. The Top 10 touches down around the world: from Africa, where the Ebola outbreak prompted quarantines, travel controls, and bans; to Europe, confronting rising humanitarian flows; to the Middle East, where the migrant worker regulation system is under ever sharper attack; and to Asia, where reform to China's hukou system could benefit more than 100 million internal migrants.