* Spears is the biggest selling musician worldwide this decade (2000–2010) with global album sales of over 100 million as of 2010
* According to the Mediabase, Britney Spears is the best selling female of the century (as of 2012).
* Britney Spears is the youngest female to have first three albums debuted at the top of Billboard 200,she broke her record by her 4th album In the zone and became the youngest female to have 4 consecutive album debuted at top,she later broke her record again by Circus and became the youngest female artist to have 5 #1 albums,and by the releasing of Femme Fatale she also became the youngest female artist to have 6 #1 albums.
* Spears is ranked as the eighth best-selling female recording artist in the United States with 33 million sold albums certified by the Recording Industry Association of America (RIAA) and Billboard. Britney has now sold over 200 million records worldwide making her the 5th biggest selling female artist ever.
* Her debut album "...Baby One More Time" is the best-selling album by a teenager and best-selling female debut act in the United States. In addition, it is the best-selling album by a female and 27th best-selling overall album in American music history. As of August 2010, the album has sold more than 28 million copies worldwide.
* Spears' single "...Baby One More Time" is the 25th best-selling single of all-time in British chart history and the 2nd one by a female artist.
* Britney spears is the most searched celebrity on Google in four consecutive years(2005–2008)and consecutive Nine times on Yahoo(2000–2008).
* Britney Spears holds the record for the longest span of No.1s (12 years, 7 months, 4 days)
* Britney Spears have third most entries ever in the Billboard mainstream Top 40 songs with songs.
* Spears also holds the title to multiple Guinness World Records.
* Best Selling Album by a Teenage Solo Artist - "...Baby, One More Time"
* Fastest Most No. 1 Singles on UK chart by a Teenage Female Solo Artist
* Best Selling Teenage Artist
* She has the most retired #1 music videos ever, she has 15 retired #1 music videos.
* According to the Nielsen Soundscan Britney spears's four albums sold 500,000+ copies in their Debut weeks and she is the only Artist in the world to do so.
* The Circus Starring Britney Spears is the sixth Highest Grossing Tour Ever by a female artist.
* Britney spears is the Most Searched term on the Internet in the First Decade of 21st century(2000–2010).
* Youngest Female Artist To Have 6 (Femme Fatale is the latest) of her albums reach #1 on the music charts.
* Youngest female musician to have the most US number 1 albums in music history with a total of 6.
* 5th best selling female artist of all time.
* Britney is the only artist to have all of her studio albums on top two slots of Billboard 200
* She has been given a star on the Walk of Fame when she was 21, the youngest singer to do so, with under 5 years of music release. Spears' wax figure is kept at Madame Tussauds wax museum in Amsterdam, Berlin, Las Vegas, London, New York and Los Angeles
* According to Soundscan (which does not include club sales) Spears is the biggest-selling female, and 5th overall, musician of this decade in the USA selling over 32 million albums, in the past 13 years.
* Spears' single Womanizer is the 39th most-downloaded single of all-time in the USA with digital sales in excess of 4 million digital copies.
* Spears is the youngest female musician in world history to have the most US number 1 albums. Spears has 5 number 1 US albums thus far.This record was broken again by her album FEMME FATALE making her the only female artist in the history to have 6 of her albums debut at no. 1 and one at no. 2
* The second artist in history to have a multiple singles debut at number one, after Mariah Carey.
* In 2001, Britney Spears became the first female artist in the charts history to have their first three albums debut at number one. She broke this record two years later with a fourth number one debut. With the number one debut of her Circus album in 2008, Spears also became the youngest female artist in history to have five number one albums. She later beat the record when her 7th studio album, "Femme Fatale" debuted at number one on April, 2011.
* In December 2011 Britney became the first person on Google+ to have 1 million followers and in March 2012 she also became the first person on Google+ to have 2 million followers.
* In June 2011 Rolling Stone named Spears Best Female Dancer of all times and Second Best Dancer ever behind Michael Jackson.
* Britney Spears became the first female to score number-one singles on Billboard Hot 100 in the 1990s, 2000s, and 2010s when Hold It Against Me debuted in the top position.* ATRL.net outs a List of Female Artists with Most # 1s ever In the Biggest Music Market of the World ,Britney Made her place at # 3 with 40 # 1s
* Britney Spears' fragrances for Elizabeth Arden, is the best selling celebrity fragrance line of all time, She has a total of 10 fragrances:Curious (2004)Fantasy (2005)Curious: In Control (2006)Midnight Fantasy (2006)Believe (2007)Curious ♥ Heart (2008)Hidden Fantasy (2009)Circus Fantasy (2009)Radiance (2010)Cosmic Radiance (2011)