List of Billboard Hot 100 number - one Singles of 2005 - wikipedia List of Billboard Hot 100 number - one Singles of 2005 Mariah Carey spent fifteen weeks atop the Hot 100 in 2005, with fourteen of them being `` We Belong Together '', which became the second longest running number one single on the chart, following Carey 's `` One Sweet Day ''. The Billboard Hot 100 is a chart that ranks the best - performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single 's weekly physical and digital sales, and airplay. In 2005, there were eight singles that topped the chart in fifty - three issues of the magazine, the lowest of any year. During the year, five acts achieved their first US number - one single, either as a lead artist or featured guest : Chris Brown, Mario, Olivia, Gwen Stefani, and Carrie Underwood. Stefani earned her first number - one single in the United States this year, although she had been with band the No Doubt since 1986. Hip hop artist Kanye West gained his first number - one single, `` Gold Digger '', as lead artist ; West previously had a number - one single with `` Slow Jamz '', a 2004 song by rapper Twista. Two acts, Underwood and Brown, scored a number - one debut single this year. R&B singer Mariah Carey 's `` We Belong Together '' is the longest - running single of 2005, topping the Billboard Hot 100 for 14 non-consecutive weeks. To date, it is tied for the longest - running number - one single of the decade, and second in the entire Hot 100 era behind Boyz II Men 's and Carey 's 1995 single `` One Sweet Day '', which spent sixteen weeks at number one. West 's `` Gold Digger '' is the second longest - running, having peaked the chart for 10 consecutive weeks. Other singles with extended chart runs include R&B singer Mario 's `` Let Me Love You '', his best - performing song to date, and rapper 50 Cent 's `` Candy Shop '', each spent nine straight weeks at number one. Carey is the only artist to have earned two number - one singles in 2005 after `` Do n't Forget About Us '' topped the chart in the final calendar issue of Billboard Hot 100. `` Do n't Forget About Us '' is Carey 's 17th number - one single, placing her second in the list of acts with most number ones in the United States, tying with Elvis Presley. `` We Belong Together '' is the best - performing single of the chart year, topping the Top Hot 100 Hits of 2005 ; this gave Carey her first number - one single in the year - end chart. Contents 1 Chart history 2 See also 3 References 4 Additional sources Chart history R&B singer Mario scored his first number - one single with `` Let Me Love You '', which spent at the top spot for nine consecutive weeks, becoming his best - performing single as of 2005. Singer Gwen Stefani earned her first number one single `` Hollaback Girl '' in U.S. Country singer Carrie Underwood earned her first number one single `` Inside Your Heaven '' in U.S., and stayed at the top for one week. Singer Chris Brown earned his first number one single `` Run It ! '' in U.S., and stayed at the top for five consecutive weeks. Key Indicates best - performing single of 2005 Issue date Song Artist ( s ) Reference ( s ) January 1 `` Let Me Love You '' Mario January 8 January 15 January 22 January 29 February 5 February 12 February 19 February 26 March 5 `` Candy Shop '' 50 Cent featuring Olivia March 12 March 19 March 26 April 2 April 9 April 16 April 23 April 30 May 7 `` Hollaback Girl '' Gwen Stefani May 14 May 21 May 28 June 4 `` We Belong Together '' Mariah Carey June 11 June 18 June 25 July 2 `` Inside Your Heaven '' Carrie Underwood July 9 `` We Belong Together '' Mariah Carey July 16 July 23 July 30 August 6 August 13 August 20 August 27 September 3 September 10 September 17 `` Gold Digger '' Kanye West featuring Jamie Foxx September 24 October 1 October 8 October 15 October 22 October 29 November 5 November 12 November 19 November 26 `` Run It ! '' Chris Brown December 3 December 10 December 17 December 24 December 31 `` Do n't Forget About Us '' Mariah Carey See also 2005 in music List of number - one hits ( United States ) Billboard Year - End Hot 100 singles of 2005 References Jump up ^ `` Twista Ends OutKast 's No. 1 Singles Run ''. Billboard. Nielsen Business Media, Inc. Retrieved 2010 - 01 - 25. Jump up ^ Bonson, Fred ( 2007 - 10 - 25 ). `` Chart Beat : Still Cranked After All This Year ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 16. ^ Jump up to : Kaufman, Gil ( 2005 - 12 - 29 ). `` Mariah Carey Outguns 50 Cent On Year - End LP Sales Chart ''. MTV. Retrieved 2009 - 03 - 03. Jump up ^ Bonson, Fred ( 2005 - 08 - 26 ). `` Chart Beat Chart : Still Together ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 02 - 05. Jump up ^ `` Songs With the Most Weeks at No. 1 ''. Billboard. Nielsen Business Media, Inc. 2008. Retrieved 2009 - 01 - 16. Jump up ^ `` Hot 100 Anniversary : Most No. 1s By Artist ''. Billboard. Nielsen Business Media, Inc. 2008 - 08 - 06. Retrieved 2009 - 01 - 16. Jump up ^ `` The Billboard Hot 100 All - Time Top Songs ''. Billboard. Nielsen Business Media, Inc. 2008. Retrieved 2009 - 01 - 16. Jump up ^ Trust, Gary. `` Best Of The 2000s : Part 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2010 - 01 - 25. Jump up ^ Whitmire, Margo ( 2004 - 12 - 23 ). `` Mario Trumps Snoop For Hot 100 No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2004 - 12 - 30 ). `` Mario 's ' Love ' Rules Singles Charts Again ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 01 - 06 ). `` Mario ' Loves ' His Stay At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 01 - 13 ). `` Mario 's ' Love ' Still No. 1 On Hot 100 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 01 - 20 ). `` Mario 's ' Love ' Extends Chart Domination ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 01 - 27 ). `` Mario 's ' Love ' Endures At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 02 - 03 ). `` Mario Adds Another Billboard No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 02 - 10 ). `` Mario 's Valentine : ' Love ' Still Rules ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 02 - 17 ). `` Hot 100 Still In ' Love ' With Mario ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 02 - 24 ). `` 50 Cent 's ' Candy Shop ' Sweetens Hot 100 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 03 - 03 ). `` 50 Cent Nets Hot 100 Top 5 Trifecta ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 03 - 10 ). `` 50 Cent Extends Singles Chart Reign ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 03 - 17 ). `` 50 Cent 's ' Candy ' Continues Chart Domination ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 03 - 24 ). `` 50 Cent Nets A Fourth Top 10 Hit ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 03 - 31 ). `` ' Candy Shop ' Spends 6th Sweet Week At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 04 - 07 ). `` 50 's Game : ' Candy ' Holds ' Hate ' From No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 04 - 14 ). `` 50 Cent Has ' Candy ' Everybody Wants ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 04 - 21 ). `` 50 Cent 's ' Candy ' Enters Ninth Week At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 04 - 28 ). `` Stefani Single Ousts 50 Cent From No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 05 - 05 ). `` Stefani Holds Hot 100 Lead As Ciara Surges ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Whitmire, Margo ( 2005 - 05 - 12 ). `` ' Hollaback ' Holds Off ' Oh ' At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 05 - 19 ). `` ' Hollaback ' Has Singles Chart Staying Power ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 05 - 26 ). `` Mariah Nets 16th Hot 100 No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 06 - 02 ). `` Carey Keeps It ' Together ' At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 06 - 09 ). `` Carey Still ' Belongs ' At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 06 - 16 ). `` Carey Single Nets 4th Week On Top ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 06 - 23 ). `` ' Idol ' Underwood Shoots Straight To No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 06 - 30 ). `` Carey Rebound Keeps Bice From Hot 100 No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 07 - 07 ). `` Mariah Still No. 1 As ' Idols ' Fade ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 07 - 14 ). `` Carey, Stefani, Peas Maintain Singles Lead ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 07 - 21 ). `` Mariah 's ' Together ' Holds Off ' Replay ' Charge ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 11. Jump up ^ Jeckell, Barry ( 2005 - 07 - 28 ). `` Mariah & No. 1 : ' Together ' Again ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 08 - 04 ). `` Carey 's ' Together ' Continues Chart Domination ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 08 - 11 ). `` Carey Still No. 1 As ' Together ' Goes To 11 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 08 - 18 ). `` Carey 's ' Together ' Notches 12 No. 1 Weeks ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Cohen, Jonathan ( 2005 - 08 - 25 ). `` No Budging Mariah 's ' Together ' At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 09 - 01 ). `` Mariah Matches Hot 100 Milestone ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 09 - 08 ). `` Hot 100 Shocker : Kanye Dethrones Mariah ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 09 - 15 ). `` West Mines More No. 1s With ' Gold Digger ' ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 09 - 22 ). `` Kanye Keeps Digging No. 1 Single ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Jeckell, Barry ( 2005 - 09 - 29 ). `` West 's ' Gold Digger ' Extends Chart Domination ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 10 - 06 ). `` Kanye 's ' Gold Digger ' Still Strong On Billboard Charts ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 10 - 13 ). `` Kanye 's ' Gold ' Streak Continues On Billboard Charts ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 10 - 20 ). `` ' Gold Digger ' Mines Another Week On Top ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 10 - 27 ). `` Kanye 's ' Gold ' Begins Eighth Week At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 11 - 03 ). `` Kanye 's ' Gold ' Continues Hot 100 Dominance ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hasty, Katie ( 2005 - 11 - 10 ). `` ' Gold Digger ' Notches 10th Week At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hope, Clover ( 2005 - 11 - 17 ). `` Brown 's ' Run It ! ' Sprints To No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hope, Clover ( 2005 - 11 - 24 ). `` Brown 's ' Run It ! ' Holds Pace At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hope, Clover ( 2005 - 12 - 01 ). `` Brown 's ' Run ' Begins Third Week At No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hope, Clover ( 2005 - 12 - 08 ). `` Brown Single Extends Chart - Topping ' Run ' ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Hope, Clover ( 2005 - 12 - 15 ). `` No Dislodging Brown 's ' Run It ' From No. 1 ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Jump up ^ Cohen, Jonathan ( 2005 - 12 - 22 ). `` Mariah Notches 17th Hot 100 Chart - Topper ''. Billboard. Nielsen Business Media, Inc. Retrieved 2009 - 01 - 10. Additional sources Fred Bronson 's Billboard Book of Number 1 Hits, 5th Edition ( ISBN 0 - 8230 - 7677 - 6 ) Joel Whitburn 's Top Pop Singles 1955 - 2008, 12 Edition ( ISBN 0 - 89820 - 180 - 2 ) Joel Whitburn Presents the Billboard Hot 100 Charts : The 2000s ( ISBN 0 - 89820 - 182 - 9 ) Additional information obtained can be verified within Billboard 's online archive services and print editions of the magazine. Lists of Billboard number - one singles 1940 -- 1959 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 -- 1979 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1976 1977 1978 1979 1980 -- 1999 1980 1981 1982 1984 1985 1986 2000 -- present 2017 2018 By decade 1930s 1940s 1950 -- 1958 1958 -- 1969 1970s 1980s 1990s 2000s 2010s See also Top - ten singles Hot 100 Year - end List of Billboard Hot 100 chart achievements and milestones Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_Billboard_Hot_100_number-one_singles_of_2005&oldid=787133793 '' Categories : 2005 record charts Lists of Billboard Hot 100 number - one songs Hidden categories : Wikipedia indefinitely semi-protected pages Talk View source Contents About Wikipedia Čeština Deutsch Español Français 한국어 Italiano Nederlands Polski Português Русский Suomi Svenska Türkçe Tiếng Việt 5 more Edit links This page was last edited on 23 June 2017, at 16 : 53 ( UTC ). 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Question: what was the number 1 song in august 2005
Answer: "We Belong Together"