The X Factor is an Australian television reality music competition that first aired in 2005. As of 2015, there have been seven seasons; one on Network Ten and six on the Seven Network. The final round of the competition features a number of solo singers and vocal groups: nine for season 1, twelve for seasons 2, 3, 4, 5, 7 and 8, and thirteen for season 6. A total of 94 acts have reached the finals of their seasons. Season three winner Reece Mastin is the most successful contestant from the show, having attained two top-five albums and three number-one singles, with nine platinum and three gold certifications.
During season 1, the contestants were split into three categories: 16-24s (soloists aged 16 to 24), Over 25s (soloists aged 25 and over) and Groups (including duos).[1] Each category was mentored by Mark Holden (head judge), Kate Ceberano and John Reid.[2] From season 2 onwards, the 16-24s category was split into separate male and female sections, making four categories in all: Boys, Girls, Over 25s and Groups.[3] The judging panel was replaced by Guy Sebastian (head judge), Natalie Imbruglia, Ronan Keating and Kyle Sandilands who is the additional fourth judge.[4] In season three, Natalie Bassingthwaighte and Mel B joined the judging panel as replacements for Imbruglia and Sandilands.[5] [6] Dannii Minogue and Redfoo (head judge) replaced Mel B and Sebastian in season 5.[7] [8] In series 5, the over 25s were changed to over 24s, before being changed back to over 25s for series 6.[9] Sebastian (head judge) returned in season 7 along with Chris Isaak and James Blunt to replace Redfoo, Bassingthwaighte and Keating. In season 8, boys and girls has been defunct and making the 14-21s to come back, the over 25s category was changed to over 22s. Mel B returned in 8 along with Iggy Azalea and Adam Lambert to replace Minogue, Issak and Blunt.
As of season 8, each five categories have won the show on at least one occasion, while six of the show's fifteen judges have had the winning act in their category at least once, with Sebastian and Keating winning twice, and Holden, Minogue, Isaak and Lambert winning once. The judges not to win were Reid, Cebrano, Imbruglia, Sandilands, Bassingthwaighte, Mel B, Redfoo, Blunt and Azalea with Bassingthwaighte placing runner-up in 2011 and 2014 (the first and the fourth of her four years on the panel), Reid, Imbruglia, Brown and Blunt placing runner-up in 2005, 2010, 2012 and 2015 respectively (their only season), Cebrano and Sandilands’ best performance having their contestant being the last eliminated in 2005 and 2010 respectively (their only season), Redfoo’s best performance having his contestant being the ninth eliminated in 2014 (the second of his two years on the panel) and Azalea’s best performance having her contestant being the third eliminated in 2016 (her only season).
Key:
– Winner
– Runner-up
– Disqualified
| Name | Season | Category | Mentor | Finished |
|---|---|---|---|---|
| The Brothership | 1 | Groups | Mark Holden | |
| Jacob Butler | 1 | 16-24s | Kate Ceberano | |
| Russell Gooley | 1 | Over 25s | John Reid | |
| Vincent Harder | 1 | 16-24s | Kate Ceberano | |
| Kaya | Groups | Mark Holden | ||
| Roslynn Mahe | 1 | Over 25s | John Reid | |
| Gemma Purdy | 1 | 16-24s | Kate Ceberano | |
| Random | 1 | Groups | Mark Holden | |
| Janie Shrapnel | 1 | Over 25s | John Reid | |
| Sally Chatfield | 2 | Girls[10] | Natalie Imbruglia | |
| Altiyan Childs | 2 | Over 25s | Ronan Keating | |
| Chris Doe | 2 | Boys | Kyle Sandilands | |
| Amanda Grafanakis | 2 | Over 25s | Ronan Keating | |
| Kharizma | 2 | Groups | Guy Sebastian | |
| Andrew Lawson | 2 | Boys | Kyle Sandilands | |
| Luke and Joel | 2 | Groups | Guy Sebastian | |
| India-Rose Madderom | 2 | Girls | Natalie Imbruglia | |
| Mahogany | 2 | Groups | Guy Sebastian | |
| James McNally | 2 | Over 25s | Ronan Keating | |
| Mitchell Smith | 2 | Boys | Kyle Sandilands | |
| Hayley Teal | 2 | Girls | Natalie Imbruglia | |
| Audio Vixen | 3 | Groups | Ronan Keating | |
| Tyla Bertolli | 3 | Girls | Mel B | |
| Mitchell Callaway | 3 | Over 25s | Natalie Bassingthwaighte | |
| Cleo Howman | 3 | Over 25s | Natalie Bassingthwaighte | |
| Reece Mastin | 3 | Boys | Guy Sebastian | |
| Jacqui Newland | 3 | Girls | Mel B | |
| Christina Parie | 3 | Girls | Mel B | |
| Johnny Ruffo | 3 | Boys | Guy Sebastian | |
| Declan Sykes | 3 | Boys | Guy Sebastian | |
| Three Wishez | 3 | Groups | Ronan Keating | |
| Andrew Wishart | 3 | Over 25s | Natalie Bassingthwaighte | |
| Young Men Society | 3 | Groups | Ronan Keating | |
| Josh Brookes | 4 | Boys | Mel B | |
| The Collective | 4 | Groups | Ronan Keating | |
| Bella Ferraro | 4 | Girls | Natalie Bassingthwaighte | |
| Fortunate | 4 | Groups | Ronan Keating | |
| Shiane Hawke | 4 | Girls | Natalie Bassingthwaighte | |
| Samantha Jade | 4 | Over 25s | Guy Sebastian | |
| Adil Memon | 4 | Boys | Mel B | |
| Carmelo Munzone | 4 | Boys | Mel B | |
| Jason Owen | 4 | Boys | Mel B | |
| Justin Standley | 4 | Over 25s | Guy Sebastian | |
| Angel Tupai | 4 | Girls | Natalie Bassingthwaighte | |
| What About Tonight | 4 | Groups | Ronan Keating | |
| Nathaniel Willemse | 4 | Over 25s | Guy Sebastian | |
| Adira–Belle | 5 | Groups | Natalie Bassingthwaighte | |
| Omar Dean | 5 | Boys | Ronan Keating | |
| Joelle Hadjia | 5 | Girls | Redfoo | |
| Taylor Henderson | 5 | Boys | Ronan Keating | |
| Dami Im | 5 | Over 24s | Dannii Minogue | |
| JTR | 5 | Groups | Natalie Bassingthwaighte | |
| Ellie Lovegrove | 5 | Girls | Redfoo | |
| Barry Southgate | 5 | Over 24s | Dannii Minogue | |
| Third Degree | 5 | Groups | Natalie Bassingthwaighte | |
| Jiordan Tolli | 5 | Girls | Redfoo | |
| Cat Vas | 5 | Over 24s | Dannii Minogue | |
| Jai Waetford | 5 | Boys | Ronan Keating | |
| Brothers3 | 6 | Groups | Dannii Minogue | |
| Sydnee Carter | 6 | Girls | Ronan Keating | |
| Reigan Derry | 6 | Over 25s | Redfoo | |
| Jason Heerah | 6 | Over 25s | Redfoo | |
| Adrien Nookadu | 6 | Boys | Natalie Bassingthwaighte | |
| Rochelle Pitt | 6 | Over 25s | Redfoo | |
| Marlisa Punzalan | 6 | Girls | Ronan Keating | |
| Dean Ray | 6 | Boys | Natalie Bassingthwaighte | |
| Caitlyn Shadbolt | 6 | Girls | Ronan Keating | |
| Tee | 6 | Boys | Natalie Bassingthwaighte | |
| Trill | 6 | Groups | Dannii Minogue | |
| XOX | 6 | Groups | Dannii Minogue | |
| Younger Than Yesterday | 6 | Groups | Dannii Minogue | |
| Louise Adams | 7 | Over 25s | James Blunt | |
| Michaela Baranov | 7 | Girls | Dannii Minogue | |
| Big T | 7 | Boys | Chris Isaak | |
| Natalie Conway | 7 | Over 25s | James Blunt | |
| Jimmy Davis | 7 | Boys | Chris Isaak | |
| Georgia Denton | 7 | Girls | Dannii Minogue | |
| The Fisher Boys | 7 | Groups | Guy Sebastian | |
| Dan Hamill | 7 | Over 25s | James Blunt | |
| In Stereo | 7 | Groups | Guy Sebastian | |
| Jess & Matt | 7 | Groups | Guy Sebastian | |
| Mahalia Simpson | 7 | Girls | Dannii Minogue | |
| Cyrus Villanueva | 7 | Boys | Chris Isaak | |
| AYA | 8 | Groups | Iggy Azelea | |
| Beatz | 8 | Underdogs | Mel B | |
| Brentwood | 8 | Groups | Iggy Azalea | |
| Isaiah Firebrace | 8 | 14-21s | Adam Lambert | |
| Amalia Foy | 8 | 14-21s | Adam Lambert | |
| Timmy Knowles | 8 | Over 22s | Guy Sebastian | |
| Maddison Milewski | 8 | Underdogs | Mel B | |
| Natalie Ong | 8 | 14-21s | Adam Lambert | |
| Chynna Taylor | 8 | Over 22s | Guy Sebastian | |
| Time And Place | 8 | Groups | Iggy Azelea | |
| Vlado | 8 | Underdogs | Mel B | |
| Davey Woder | 8 | Over 22s | Guy Sebastian | |