1940: I’ll Never Smile Again by Tommy Dorsey

#1 for 12 weeks
#
1941: Daddy by Sammy Kaye

#1 for 7 weeks
#
1942: Jingle Jangle Jingle by Kay Keiser

#1 for 8 weeks
#
1943: You’ll Never Know by Dick Haymes

#1 for 4 weeks
#
1944: Swinging On A Star by Bing Crosby

#1 for 9 weeks
#
1945: Sentimnental Journey by Les Brown and Doris Day

#1 for 9 weeks
#
1946: The Gypsy by The Ink Spots

#1 for 10 weeks
#
1947: Smoke! Smoke! Smoke! (The Cigarette) by Tex Ritter

#1 for 6 weeks
#
1948: Woody Wood-Pecker by Kay Kyser

#1 for 6 weeks
#
1949: Riders in the Sky: A Cowboy Legend by Vaughn Monroe

#1 for 11 weeks
#
1950: The Third Man Theme by Anton Karas

#1 for 11 weeks
#
1951: Come On-A My House by Rosemary Clooney

#1 for 6 weeks
#
1952: Auf Wiederseh’n Sweetheart by Vera Lynn

#1 for 9 weeks
#
1953: The Song From Moulin Rouge (Where Is Your Heart) by Percy Faith

#1 for 10 weeks
#
1954: Sh-Boom by The Crew Cuts

#1 for 7 weeks
#
1955: Rock Around The Clock by Bill Haley

#1 for 8 weeks
#
1956: Heartbreak Hotel by Elvis Presley

#1 for 7 weeks
#
1957: Teddy Bear by Elvis Presley

#1 for 6 weeks
#
1958: Purple People Eater by Sheb Wooley

#1 for 6 weeks
#
1959: The Battle Of New Orleans by Johnny Horton

#1 for 6 weeks
#
1960: Itsy Bitsy Teenie Weenie Yellow Polka Dot Bikini by Brian Hyland

#1 for 1 week
#
1961: Tossin’ and Turnin’ by Bobby Lewis

#1 for 7 weeks
#
1962: The Locomotion by Little Eva

#1 for 1 week
#
1963: It’s My Party by Lesley Gore

#1 for 2 weeks
#
1964: I Get Around by The Beach Boys

# 1 for 2 weeks
#
1965: Satisfaction by The Rolling Stones

#1 for 4 weeks
#
1966: Wild Thing by The Troggs

#1 for 2 weeks
#
1967: Respect by Aretha Franklin

#1 for 2 weeks
#
1968: Mrs. Robinson by Simon And Garfunkel

#1 for 3 weeks
#
1969: Get Back by The Beatles

#1 for 5 weeks
#
1970: American Woman by The Guess Who

#
1971: I Feel The Earth Move by Carole King

#1 for 5 weeks
#
1972:Lean On Me by Bill Withers

#1 for 3 weeks
#
1973: Bad, Bad Leroy Brown by Jim Croce

#1 for 2 weeks
#
1974: Rock Your Baby by George McCrae

#1 for 3 weeks
#
1975: The Hustle

#
1976: Shake Your Booty by KC & The Sunshine Band

#1 for 1 week
#
1977: The Best Of My Love by The Emotions

#1 for 5 weeks
#
1978: Shadow Dancing by Andy Gibb

#1 for 7 weeks
#
1979: Hot Stuff by Donna Summer

#1 for 3 weeks
#
1980: Funky Town by Lipps Inc

#1 for 4 weeks
#
1981: Endless Love by Diana Ross and Lionel Richie

#1 for 9 weeks
#
1982: Eye Of The Tiger by Survivor

#1 for 6 weeks
#
1983: Every Breath You Take by The Police

#1 for 8 weeks
#
1984: When Doves Cry by Prince

#1 for 5 weeks
#
1985: Everybody Wants To Rule The World by Tears For Fears

#1 for 2 weeks
#
1986: Papa Don’t Preach by Madonna

#1 for 2 weeks
#
1987: I Wanna Dance With Somebody by Whitney Houston

#1 for 2 weeks
#
1988: Dirty Diana by Michael Jackson

#1 for 1 week
#
1989: Right Here Waiting by Richard Marx

#1 for 3 weeks
#
1990: Step By Step by The New Kids On The Block

#1 for 3 weeks
#
1991: Summertime by DJ Jazzy Jeff and Will Smith

#1 for 1 week (Rap and R&B chart)
#
1992: Baby Got Back by Sir Mix A Lot

#1 for 5 weeks
#
1993: That’s The Way Love Goes by Janet Jackson

#1 for 8 weeks
#
1994: I Swear by All 4 One

#1 for 11 weeks
#
1995: Waterfalls by TLC

#1 for 7 weeks
#
1996: The Macarena

#1 for 14 weeks
#
1997: I’ll Be Missing You by Puff Daddy

#1 for 11 weeks
#
1998: The Boy Is Mine by Brandy & Monica

#1 for 13 weeks
#
1999: Livin La Vida Loca by Ricky Martin

#1 for 5 weeks
#
2000: It’s Gonna Be Me by NSYNC

#1 for 2 weeks
#
2001: Lady Marmalade by Christina Aguilera, Lil Kim, Mya, and Pink

#1 for 5 weeks
#
2002: Hot In Herre by Nelly

#1 for 7 weeks
#
2003: Crazy In Love by Beyonce

#1 for 8 weeks
#
2004: Yeah by Usher

#1 for 12 weeks
#
2005: We Belong Together by Mariah Carey

#1 for 14 weeks
#
2006: Promiscuous by Nelly Furtado

#1 for 6 weeks
#
2007: Umbrella by Rihanna

#1 for 7 weeks
#
2008: I Kissed A Girl by Katy Perry

#1 for 7 weeks
#
2009: I Gotta Feeling by The Black Eyed Peas

#1 for 12 weeks
#
2010: ???