page_title: List of Canadian Hot 100 number-one singles of 2018
section_title: Chart history
hierarchical_section_title: List of Canadian Hot 100 number-one singles of 2018 / Chart history
caption_attribution_description: English: Actor Donald Glover attends the world premiere for "The Martian” on day two of the Toronto International Film Festival at the Roy Thomson Hall, Friday, Sept. 11, 2015 in Toronto. NASA scientists and engineers served as technical consultants on the film. The movie portrays a realistic view of the climate and topography of Mars, based on NASA data, and some of the challenges NASA faces as we prepare for human exploration of the Red Planet in the 2030s.
context_page_description: This is a list of the Canadian Hot 100 number-one singles of 2018. The Canadian Hot 100 is a chart that ranks the best-performing singles of Canada. Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming.
  A Canadian flag denotes a Canadian artist.
caption: "This Is America" became Childish Gambino (pictured)'s first song to top the Canadian Hot 100 and the 25th song to debut at number one on the chart.
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