List of number-one hits on the ARC Weekly Top 40 Chart (United States)

This is the list of number-one singles on the ARC Weekly Top 40, which was established in 1980.

1980 (There were 20 number-one hits in 1980.)

• Longest run in 1980: "Call Me" by Blondie (7 weeks)

1981 (There were 23 number-one hits in 1981, one of which had been #1 in 1980.)

• Longest run in 1981: "Endless Love" by Lionel Richie and Diana Ross (10 weeks)

1982 (There were 22 number-one hits in 1982, one of which had been #1 in 1981.)

• Longest run in 1982: "Ebony and Ivory" by Paul McCartney and Stevie Wonder (7 weeks)

1983 (There were 22 number-one hits in 1983, one of which had been #1 in 1982.)

• Longest run in 1983: "Every Breath You Take" by The Police (8 weeks)

1984 (There were 30 number-one hits in 1984, one of which had been #1 in 1983.)

• Longest run in 1984: "When Doves Cry" by Prince (5 weeks)

1985 (There were 31 number-one hits in 1985, one of which had been #1 in 1984.)

• Longest run in 1985: "Like a Virgin" by Madonna and "We Are the World" by USA for Africa (4 weeks) (Technically, Like a Virgin was #1 for 6 weeks, but two of them were in 1984.)

1986 (There were 33 number-one hits in 1986.)

• Longest run in 1986: "That's What Friends Are For" by Dionne and Friends (4 weeks)

1987 (There were 35 number-one hits in 1987, one of which had been #1 in 1986.)

• Longest run in 1987: "Livin' on a Prayer" by Bon Jovi, "With or Without You" by U2, and "I Still Haven't Found What I'm Looking For" by U2 (3 weeks)

1988 (There were 39 number-one hits in 1988.)

• Longest run in 1988: "Roll With It" by Steve Winwood (4 weeks).

1989 (There were 36 number-one hits in 1989.)

• Longest run in 1989: "Miss You Much" by Janet Jackson (4 weeks)

1990 (There were 34 number-one hits in 1990.)

• Longest run in 1990: "Nothing Compares 2 U" by Sinéad O'Connor (4 weeks)

1991 (There were 31 number-one hits in 1991, one of which had been #1 in 1990.)

• Longest run in 1991: "(Everything I Do) I Do It for You" by Bryan Adams (6 weeks)

1992 (There were 25 number-one hits in 1992, one of which had been #1 in 1991.)

• Longest run in 1992: "End of the Road" by Boyz II Men (7 weeks)

1993 (There were 16 number-one hits in 1993, one of which had been #1 in 1992.)

• Longest run in 1993: "That's the Way Love Goes" by Janet Jackson and "Dreamlover" by Mariah Carey (8 weeks) (Technically, "I Will Always Love You" by Whitney Houston had 11 uniterrupted weeks, but 4 were in 1992.)

1994 (There were 20 number-one hits in 1994, one of which had been #1 in 1993.)

• Longest run in 1994: "All for Love" by Bryan Adams/Rod Stewart/Sting and "I'll Make Love to You" by Boyz II Men (5 weeks)

1995 (There were 18 number-one hits in 1995)

• Longest run in 1995: "Take a Bow" by Madonna (9 weeks)

1996 (There were 19 number-one hits in 1996, one of which had been #1 in 1995.)

• Longest run in 1996: "One Sweet Day" by Mariah Carey & Boyz II Men and "I Love You Always Forever" by Donna Lewis (7 weeks) (Technically, "One Sweet Day" lasted a total of 11 non-consecutive weeks from late '95 to early '96.)

1997 (There were 22 number-one hits in 1997, one of which had been #1 in 1996.)

• Longest run in 1997: "Don't Speak" by No Doubt and "Don't Cry for Me, Argentina" by Madonna (5 weeks) ("Don't Speak had an additional 2 weeks from '96, bringing the total to 7.)

1998 (There were 19 number-one hits in 1998.)

• Longest run in 1998: "My Heart Will Go On" by Céline Dion and "I Don't Want to Miss a Thing" by Aerosmith.

1999 (There were 22 number-one hits of 1999.)

• Longest run in 1999: "Livin' La Vida Loca" by Ricky Martin and "Mambo No. 5 (A Little Bit of...)" by Lou Bega (6 weeks)

2000 (There were 16 number-one hits in 2000.)

• Longest run in 2000: "Bye Bye Bye" by *NSYNC (9 weeks)

2001 (There were 21 number-one hits in 2001, one of which was a #1 in 2000.)

• Longest run in 2001: "Lady Marmalade" by Christina Aguilera/Lil Kim/Mýa/P!nk (9 weeks)

2002 (There were 19 number-one hits in 2002.)

• Longest run in 2002: "Dilemma" by Nelly featuring Kelly Rowland (7 weeks)

2003 (There were 16 number-one hits in 2003.)

• Longest run in 2003: "Crazy in Love by Beyoncé featuring Jay-Z (7 weeks)

2004 (There were 18 number-one hits in 2004, one of which was a #1 in 2003.)

• Longest run in 2004: "The Way You Move" by OutKast featuring Sleepy Brown (6 weeks)

2005 (There were 14 number-one hits in 2005.)

• Longest run in 2005: "We Belong Together" by Mariah Carey (10 weeks)

2006 (There were 17 number-one hits in 2006, one of which was a #1 in 2005.)

• Longest run in 2006: "Promiscuous" by Nelly Furtado featuring Timbaland (7 weeks)

2007 (There have been 16 number-one hits in 2007, one of which was a #1 in 2006.)

• Longest run in 2007: "Big Girls Don't Cry by Fergie and Apologize by Timbaland presents OneRepublic (6 weeks)

2008 (There have been 1 number-one hit in 2007, one of which was a #1 in 2007.)

• Longest run in 2008: So far, "No One by Alicia Keys (1 week)