List of UK Singles Downloads Chart number ones of the 2000s

[2][4] The most successful artist of the decade was Barbadian singer Rihanna, who featured on five different number-one singles for a total of 13 weeks.

[7] By the start of 2004, they had dropped to their lowest level in over 35 years, with singles needing to sell only 35,000 copies to reach number one.

[8] One year later, a limited edition re-release of "One Night" / "I Got Stung" by Elvis Presley topped the chart with 22,000 copies, making it the lowest selling number-one single at that time.

As a result of this growth, the OCC were commissioned in 2004 to compile a new music chart based solely on the UK's download sales, which was initially sponsored by Coca-Cola.

[14] A "sample" download chart was trialled for 10 weeks, with the first number one being "Bam Thwok" by American rock band Pixies.

[13] By 2007 the UK had become Europe's largest consumer of online music, with almost 78 million tracks being downloaded that year – by the end of the decade this figure had nearly doubled.