The UNHCR reports that there has been an almost 100% increase in the number of refugees, asylum-seekers, and migrants who crossed the Gulf of Aden and Red Sea from Africa to Yemen in 2011 compared to 2010. 103,000 migrants are estimated to have made the sea crossing in 2011 compared to an estimated 53,000 in 2010. 130 persons are known to have drowned. Ethiopians now make up the largest nationality making the voyage, accounting for about 75% of the total. Prior to 2009 Somalis were the largest group.