There are various rankings of Iron Maiden's songs, with some outlets listing the top 20 and others ranking a larger number of songs. The number of songs included in these rankings varies, with some outlets listing 20, 30, 40, or 50 songs. It appears that multiple publications have compiled their own lists of Iron Maiden's best songs, but not all of them are focused solely on the band, as some outlets have also ranked songs by other artists.