This is a comprehensive listing of official post-Idol releases by various contestants of the television show American Idol. All of the compilations and singles of the show as well as most of its contestants' singles and albums were released by 19 Recordings with Sony Music Entertainment (the general record company associated and affiliated with the Idol series in most countries through its RCA/Jive Label Group) from 2002–2010 and with Universal Music Group (through its Interscope-Geffen-A&M Label Group) from 2011 onwards. The first winner Kelly Clarkson remains the best-selling contestant worldwide with 25 million albums sold followed by fourth winner Carrie Underwood (best-selling contestant in the United States) with 15 million albums sold worldwide. By the end of 2009, contestants had a total of 257 number one singles in the Billboard charts and have sold over 66 million albums worldwide and 56 million singles in US alone

Season 1

Kelly Clarkson

Justin Guarini

Nikki McKibbin

Tamyra Gray

RJ Helton

Ryan Starr

AJ Gil

Jim Verraros

Season 2

Ruben Studdard

Clay Aiken

Kimberley Locke

Josh Gracin

Carmen Rasmusen

Kimberly Caldwell

Corey Clark

Charles Grigsby

Vanessa Olivarez

Season 3

Fantasia Barrino

Diana DeGarmo

Jasmine Trias

LaToya London

George Huff

John Stevens

Jennifer Hudson

Jon Peter Lewis

Camile Velasco

Leah LaBelle

William Hung

Season 4

Carrie Underwood

Bo Bice

Vonzell Solomon

Constantine Maroulis

Nadia Turner

Nikko Smith

Jessica Sierra

Other

Mario Vazquez

Season 5

Taylor Hicks

Katharine McPhee

Elliott Yamin

Chris Daughtry with Daughtry

Paris Bennett

Kellie Pickler

Ace Young

Bucky Covington

Mandisa

Others

Ayla Brown Brianna Taylor

Season 6

Jordin Sparks

Blake Lewis

Melinda Doolittle

LaKisha Jones

Chris Richardson

Phil Stacey

Sanjaya Malakar

Haley Scarnato

Gina Glocksen

Chris Sligh

Stephanie Edwards

Brandon Rogers

Others

Sarah Burgess Sean Michel

Season 7

David Cook

David Archuleta

(with Various Artists)

Jason Castro

Brooke White

Carly Smithson with We Are the Fallen

Kristy Lee Cook

Michael Johns

Ramiele Malubay

Amanda Overmyer

Dani Noriega (as Adore Delano)

Season 8

Kris Allen

Adam Lambert

Danny Gokey

Allison Iraheta

Anoop Desai

Scott MacIntyre

Michael Sarver

Season 9

Lee DeWyze

Crystal Bowersox

Casey James

Aaron Kelly

Tim Urban

Siobhan Magnus

Andrew Garcia

Todrick Hall

Tori Kelly

Season 10

Scotty McCreery

Lauren Alaina

Haley Reinhart

James Durbin

Casey Abrams

Stefano Langone (as Stefano)

Pia Toscano

Thia Megia

Naima Adedapo

Ashthon Jones

Chris Medina

Season 11

Phillip Phillips

Jessica Sanchez

Joshua Ledet

Hollie Cavanagh

Skylar Laine

Elise Testone

Colton Dixon

DeAndre Brackensick

Heejun Han (as HeeJun)

Erika Van Pelt

Season 12

Candice Glover

Kree Harrison

Angie Miller

Janelle Arthur

Paul Jolley

Season 13

Caleb Johnson

Jena Irene Asciutto

Alex Preston

Jessica Meuse

Sam Woolf

CJ Harris

Dexter Roberts

Majesty Rose

MK Nobilette

Ben Briley

Emily Piriz

Queen Burns as Queen Naija

Remi Wolf

Season 14

Nick Fradiani

Clark Beckham

Jax

Rayvon Owen

Adanna Duru

Sarina-Joi Crowe

Season 15

Trent Harmon

La'Porsha Renae

Season 16

Maddie Poppe

Caleb Lee Hutchinson

Gabby Barrett

Season 17

Laine Hardy

Season 18

Just Sam

Season 19

Chayce Beckham

Season 20

Noah Thompson

Season 21

Iam Tongi

Season 22

Abi Carter