English (en): Map showing all countries ever to have participated in the Eurovision Song Contest; and those eligible to do so.
  Countries which have participated in the Contest at least once.  Countries which are eligible to participate, but have not (yet) done so.  Countries which have competed in the contest as a part of another country, but never as a sovereignty.  Countries which were supposed to compete in the contest but withdrew right before the final.
Own work. EBU members list for eligible countries. Participants list and Tunisia withdrawal on official Eurovision website, and Lebanon withdrawal on BBC News.
Дмитрий-5-Аверин