List of number-one singles on The Big Top 40 Show (2009)

This is a list of number-one singles on The Big Top 40 Show from 2009. It is an official real-time chart powered by the UK iTunes chart (therefore single sales are based on downloads alone), and was established in June 2009.

Number-twos
Below is a list of songs which peaked at #2 on the Big Top 40 Show (excluding songs which eventually climbed to #1).


 * "Boom Boom Pow" by the Black Eyed Peas was at the #2 position on the chart dated June 14, it peaked at #1 on the UK iTunes chart and the UK Singles Chart before the Big Top 40 Show was established.
 * "Bulletproof" by La Roux only peaked at #2 although it made #1 on the UK Singles Chart (June 21).
 * "Supernova" by Mr Hudson featuring Kanye West peaked at #2 on August 2 (for three weeks).
 * "Never Leave You" by Tinchy Stryder featuring Amelle Berrabah only peaked at #2 although it made #1 on the UK Singles Chart (August 9).
 * "She Wolf" by Shakira peaked at #2 on September 13.
 * "Empire State of Mind" by Jay-Z featuring Alicia Keys peaked at #2 on September 27 (for two weeks).