Two out of three immigrants who first immigrated to Slovenia in 2008–2009 still live in Slovenia The International Migrants Day was proclaimed in 2000; 18 December was selected in memory of the adoption by the United Nations General Assembly of the International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families on 18 December 1990.
Dva od treh priseljencev, k nam prvič priseljenih v 2008 in 2009, še prebivata v Sloveniji Mednarodni dan migrantov zaznamujemo od leta 2000, 18. december pa je bil izbran za ta dan v spomin na sprejetje Mednarodne konvencije o zaščiti pravic delovnih migrantov in članov njihovih družin v letu 1990.