For all except noted: "Discography Shawn Mendes". Australian Charts Portal. Hung Medien. Archived from the original on July 27, 2015. Retrieved January 1, 2016.
"Discography Shawn Mendes". Italian Charts Portal. Hung Medien. Archived from the original on April 11, 2018. Retrieved February 14, 2016.
Peak chart positions for singles in Italy:
All except "I Know What You Did Last Summer": "Discography Shawn Mendes". italiancharts.com. Hung Medien. Archived from the original on August 25, 2017. Retrieved February 3, 2016.
All except noted: "Discography Shawn Mendes". Norwegian Charts Portal. Hung Medien. Archived from the original on October 25, 2018. Retrieved January 1, 2016.
"Higher", "Teach Me How to Love", "Call My Friends", and "Dream": "NZ Hot Singles Chart". Recorded Music NZ. December 14, 2020. Archived from the original on January 14, 2021. Retrieved December 13, 2020.
For all except noted: "Discography Shawn Mendes". Australian Charts Portal. Hung Medien. Archived from the original on July 27, 2015. Retrieved January 1, 2016.
"Discography Shawn Mendes". Italian Charts Portal. Hung Medien. Archived from the original on April 11, 2018. Retrieved February 14, 2016.
Peaks in Norway:
All except noted: "Discography Shawn Mendes". Norwegian Charts Portal. Hung Medien. Archived from the original on October 25, 2018. Retrieved January 1, 2016.
All except "I Know What You Did Last Summer": "Discography Shawn Mendes". italiancharts.com. Hung Medien. Archived from the original on August 25, 2017. Retrieved February 3, 2016.
Peak chart positions for singles in the United Kingdom:
"Higher", "Teach Me How to Love", "Call My Friends", and "Dream": "NZ Hot Singles Chart". Recorded Music NZ. December 14, 2020. Archived from the original on January 14, 2021. Retrieved December 13, 2020.