page_title: List of number-one singles of 2007 (Canada)
section_title: Chart history
hierarchical_section_title: List of number-one singles of 2007 (Canada) / Canadian Hot 100: March 2007 – December 2007 / Chart history
caption_attribution_description: Avril Lavigne In Hong Kong 2007 Press Conf.
context_page_description: From January 2007 to May 2007, the number-one singles in Canada were compiled by the American-based music sales tracking company, Nielsen SoundScan. The chart is compiled every Wednesday, and is published by Jam! Canoe on Thursdays. On 31 March 2007, Billboard magazine created the Canadian Hot 100, a chart specifically designed for Canada and the first Hot 100 chart that Billboard created for a country outside the United States. The chart was made available for the first time via Billboard online services on June 7, 2007, when the Canadian Singles Chart was replaced with the Canadian Hot 100.
caption: "Girlfriend" by Avril Lavigne (pictured) was the chart's first number-one single.
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