According to the Department of Homeland Security, Migration Policy Institute, MyAttorney USA, & USAFacts, 69,933 refugees were admitted into the US.  From this figure, 26.3% came from Myanmar,  18.1% came from Iraq, 12.7% came from Somalia, 11.3% came from the Democratic Republic of Congo, 8.3% came from Bhutan, 4.4% came from Iran, 2.2% came from Syria, 2.3% came from Eritrea, 2.3% came from Sudan, & 2.2% came from Cuba.  

 

 26,124 individuals were granted asylum in the US with the larger numbers of new arrivals from: China (6,192), El Salvador (2,173),  Guatemala (2,082), Egypt (1,666), Honduras (1,416), Syria (974), Ethiopia (879), Mexico (870), Iraq (766), & Iran (674).
 

The main events that caused people to flee from their homes to other countries in 2015 were:
(1) the ongoing Syrian Civil War that started in 2011 with over 4.8 million Syrians fleeing the country by the end of 2015 with over 6 million internally displaced 
(2) 3.3 million Iraqis were displaced from Iraq by ISIS by the end of 2015
(3) 2.7 million Afghans were displaced from their homeland by the end of 2015 
(4) 1.4 million were internally displaced in Ukraine with the continued consequences of Russia's annexation of Ukraine's Crimean Peninsula,
(5) 2.2 million were displaced from because of the Civil War in South Sudan, 2.5 million were internally displaced in Yemen because of Yemen's Civil War by the end of 2015

(6) hundreds of thousands were displaced from the Democratic Republic of Congo due to inter communal violence and rebel activity
(7) nearly half a million people became internally displaced in the Central African Republic due to conflict between the Seleka rebels and anti-Balaka militias
(8) tens of thousands in Eritrea fled due to indefinite military service, lack of freedom, & political repression
(9) this was a peak, but over 1 million refugees and migrants fled across the Mediterranean Sea from Syria, Afghanistan, Iraq, Eritrea, & Somalia.