Swear It Again

"Swear It Again"
Single by Westlife
from the album Westlife
B-side	"Forever"
Released	19 April 1999 (1999-04-19)
Studio	Rokstone (London, England)
Length	4:07
Label	RCA BMG
Songwriter(s)	Steve Mac Wayne Hector
Producer(s)	Steve Mac
Westlife singles chronology
"Swear It Again" (1999) "If I Let You Go" (1999)
UK CD2
Music video
"Swear It Again" on YouTube
Music video
"Swear It Again (Car Wash Version)" on YouTube

"Swear It Again" is a 1999 debut single by Irish group Westlife and is the leading single from their debut studio album Westlife. It went to number 1 in the United Kingdom, New Zealand and Ireland, number 20 in the United States and Spain, number 12 in Sweden and Australia, number 2 in Scotland, number 31 in Iceland, number 27 in the Netherlands, number 25 in Switzerland and number 28 in Canada.

Track listings

UK CD1

1. "Swear It Again" (radio edit) – 4:04
2. "Forever" – 5:05
3. CD-ROM (includes filmed interview with Ronan Keating + video clips)

UK CD2

1. "Swear It Again" (radio edit) – 4:04
2. "Swear It Again" (Rokstone mix) – 4:07
3. "Ronan Keating Interviews Westlife" (audio) – 3:36

UK cassette single

1. "Swear It Again" (radio edit) – 4:04
2. "Forever" – 5:05
3. "Ronan Keating Interviews Westlife" (audio) – 3:36

European CD single

1. "Swear It Again" (radio edit) – 4:04
2. "Forever" – 5:05

US CD and cassette single

1. "Swear It Again" – 4:06
2. Snippets from Westlife

Australian CD single

1. "Swear It Again" (radio edit) – 4:04
2. "Swear It Again" (Rokstone mix) – 4:07
3. "Forever" – 5:05
4. "Ronan Keating Interviews Westlife" (audio) – 3:36
5. CD-ROM (includes filmed interview with Ronan Keating + video clips)

Australian and Japanese CD EP

1. "Swear It Again" (radio edit) – 4:04
2. "Until the End of Time" – 3:10
3. "Forever" – 5:05
4. "Everybody Knows" – 3:45
5. "Let's Make Tonight Special" – 4:52
6. "Don't Calm the Storm" – 3:46
7. "Ronan Keating Interviews Westlife" (audio) – 3:37