Note that some of the data are incomplete due to a lack of available published data from a number of territories, unlike the United Kingdom and the United States with recognized national measurement firms and certifying bodies such as Official Charts Company/British Phonographic Industry (BPI) and Nielsen SoundScan/Recording Industry Association of America (RIAA) respectively.
According to some estimates, "Miénteme" (1954) by Olga Guillot sold one million copies in Cuba,[26] although figures lack of reliability.
[27] "Fatalidad" (1956 release, 1944 original recording) by Julio Jaramillo is according to some national newspapers, biggest Ecuatorian single, selling between 6,000 and 8,000 copies in its first-week.
[82] "Taxi Mary" by Fredu Abela (il-Bamboċċu) is considered to be Malta's highest selling record/single of all time.
In comparison, "I Love You Because" of Jim Reeves sold up that point 100,000 copies, which was considered a "tremendous amount" and became the highest-selling record in the country.