It was certified three and two times platinum by the Australian Recording Industry Association (ARIA) and Recording Industry Association of America (RIAA), respectively. The single peaked at number two in the Czech Republic and it was able to reach the position of 19 in Australia and 13 in New Zealand.
Some music critics noted the resemblance to 'Over the Rainbow' by Israel Kamakawiwoʻole, praising its arrangement and 'uplifting' vibe, others criticized its 'saccharine sound' and cheesy lyrics. It received generally mixed to positive reviews. Musically, 'Count on Me' is a folk and tropical record that lyrically details the importance of friendship and convey a positive message. It was composed by Mars, Philip Lawrence, and Ari Levine, under their alias, The Smeezingtons. The song was released as a radio single in Australia and served as the overall sixth single from Doo-Wops & Hooligans, being serviced to contemporary hit radio and adult contemporary radio in Australia on November 7, 2011. The song was first unveiled on Mars' debut extended play, It's Better If You Don't Understand (2010). 'Count on Me' is a song by American singer-songwriter Bruno Mars from his debut studio album, Doo-Wops & Hooligans (2010).