1 is a greatest hits album of the English rock band the Beatles, originally released on 13 November 2000.

[4] It was remixed and reissued again in several different deluxe editions in November 2015, the most comprehensive of which is a three-disc set entitled 1+, which includes video discs of Beatles promotional films.

Two singles written by John Lennon and released in both the UK and US were omitted as they did not top either the Record Retailer chart or the Billboard Hot 100: "Please Please Me" and "Strawberry Fields Forever".

"Strawberry Fields Forever" was part of a double A-side single with "Penny Lane", which reached the top spot in Melody Maker and peaked at number 2 in the other UK charts, behind Engelbert Humperdinck's "Release Me"; while in the US, "Penny Lane" topped the charts, but "Strawberry Fields Forever" did not as it was listed separately.

According to the liner notes of the album, the original analogue masters were "digitally remastered at 24 bits resolution, processed using Sonic Solutions NoNoise technology and mastered to 16-bit using Prism SNS Noise Shaping".

Its cover was designed by Rick Ward,[9] and consists of a pop art-style yellow number one on a red background.

The emphasis on the 1 digit was used on many of the compilations of number-one hits by different artists that followed this album; for example, ELV1S by Elvis Presley and Number Ones by the Bee Gees.

The album's back cover features the famous photos of the Beatles taken by Richard Avedon and copyrighted on 17 August 1967.

The CD includes a 32-page booklet with a coloured page with international picture covers (a total of 163 covers are displayed on the whole booklet) and details (recording date, location, release date, chart stats) for each of the singles.

1 singles = 1" (which was used as a catch phrase for the promo ads for the album), and a foreword by George Martin.

The vinyl version features a large full-colour fold-out poster showing 126 picture sleeves (37 fewer than on the CD), and reproductions of the four Richard Avedon photos.

Other compilations inspired by 1 issued included Prince's The Very Best of Prince (2001), Nirvana's Nirvana (2002),[19][20] the Rolling Stones' Forty Licks (2002),[21] Pink Floyd's Echoes: The Best of Pink Floyd (2001), The Who's The Ultimate Collection (2002)[22] and Dean Martin's Dino: The Essential Dean Martin (2004).

Pepper's Lonely Hearts Club Band, which is the UK's third-best-selling album).

[30] By doing so, the album became the sixth to debut at the top of the Billboard 200 and post a SoundScan increase in its second week and the first to do so after opening with a sum of more than half a million copies.

[35][37] On 30 August 2011 the band announced through their Facebook account that the album was available to pre-order from iTunes and that it was digitally remastered.

[38] On 24 September 2011, after the album made its digital debut in the iTunes Store it re-entered on the Billboard 200 at number four selling 60,000 units, it also topped the iTunes album charts in the US, Canada, Japan, the Netherlands, Mexico, Switzerland, Spain, New Zealand and Greece according to a Capitol/EMI press release.

[39][40][41] Its digital launch on the iTunes Store was accompanied with a price of $9.99 and a Twitter campaign with the hashtag #MyBeatles1 asking their fans: What is your favorite "1" track?

[42][40] In 2015, after it was remastered again and remixed by Giles Martin, 1 re-entered on the Billboard 200 at number six selling 40,000 units.

In Canada, 1 debuted at number 1 on the Canadian Albums Chart, selling 54,668 copies in its first week.

[52] In 2009, Apple Corps, the Beatles' company, stated that worldwide sales of 1 had exceeded 31 million copies.

[1] Worldwide in 2000 the album sold 13.8 million copies, with 2 million or more copies sold during 2 consecutive weeks, and was the fourth-best-selling album behind Eminem's The Marshall Mathers LP, Britney Spears' Oops!...

All tracks produced by George Martin except "The Long and Winding Road" re-produced for disc by Phil Spector.

On 6 November 2015, Apple Records released a deluxe version of the original album, titled 1+.