Names in
Bold indicate the winning singer, while
Italics indicate the runner-up singer. Singers are listed based on their original season appearances, returning singers (who participated in seasons 5 or 8) are not repeated.
Singers participated in groups are listed in parenthesis. Initial singers first listed in alphabetical surnames, followed by Substitute/Challenge Singers in order of appearance.
∆ Substitute Singer ∇ Challenger/National's Recommended Singer/Surprise Challenger ƒ Finalist singer н Hosting singer
† Withdrew (but have performed Return Performance) ‡ Withdrew § Non-contestant (Eliminated without ever performing Breakouts)
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