Sweden have participated in the Eurovision Song Contest 52 times since their debut in 1958, being absent a total of five times, in 1956, 1957, 1964, 1970 and in 1976. Since 1959, the Swedish entry has been chosen through an annual televised competition, known since 1967 as Melodifestivalen.
Sweden is one of Eurovision's most successful countries, having won the contest six times as well as having reached the top 5 a total of 24 times. They have also made it to the top ten 35 times. Sweden's first Eurovision victory was in 1974 with the song Waterloo, performed by ABBA. Thanks to their victory in Brighton, ABBA went on to gain worldwide success, still being one of the best-selling pop groups of all time. As of 2015, Sweden has accumulated the most points in the Contest's history, leaving the United Kingdom in second place.
Since then Sweden has won in 1984, 1991, 1999, 2012 and most recently in 2015 with the song Heroes, performed by Måns Zelmerlöw. Sweden and the United Kingdom are the only countries with Eurovision victories in four different decades, and it is the only country to host it in five different decades (1975, 1985, 1992, 2000, 2013 and 2016).