Currently around 20 % of the doctoral candidates in the Union are citizens of third countries, whereas about 35 % in the United States come from abroad.
Faoi láthair, is as tríú tíortha thart ar 20 % de na hiarrthóirí dochtúireachta san Aontas, ach sna Stáit Aontaithe is as áiteanna thar lear thart ar 35 % díobh.