At the end of 2014, there were 19.5 million refugees worldwide 14.4 million under UNHCR's mandate, plus 5.1 million Palestinian refugees under UNRWA's
mandate). The 14.4 million refugees under UNHCR's mandate were around
2.7 million more than at the end of 2013 (+23%), the highest level since
1995. Among them, Syrian refugees became the largest refugee group in 2014 (3.9 million, 1.55 million more than the previous year), overtaking Afghan refugees (2.6 million), who had been the largest refugee group for three decades. As of February 2015, Turkey has become world's biggest refugee hosting country having 2.2 million Syrian and 300.000 Iraqi refugees and had spent more than US$7.6 billion on direct assistance to refugees. Pakistan is second, hosting 1.6 million Afghan refugees.According to the UNHCR there are 200,000 to 500,000 Rohingya refugees in Bangladesh and only 32,355 of them are registered. The religious, sectarian and denominational affiliation has been an important feature of debate in refugee-hosting nations.