The following is a list of best-selling singles by country. Depends on the measurement, record sales of songs are taken by estimations or certifications.
Sheet music dominated the early stage of music publishing industry with many individual titles selling millions of "copies".[1] Before the start of the "album era" in the mid-1960s, the singles format dominated the recording industry in a number of countries, and once again during the ongoing streaming era in the early late-2000s.
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. Therefore, it is not an exhaustive list, so no rankings are given in certain cases.