Yes,GnR were big in the 1980's and 1990's.Bt now sice the years passed and new music has came out Linkin Park and other bands/artist would be more popular than GnR.
Linkin park
Guns N' Roses
Guns N' Roses
Guns N' Roses
Guns N' Roses
In America, Guns N' Roses are more popular; but internationally, it's a tie.
Matter of opinion
Linkin Park
Linkin Park
Linkin Park, definitely. Papa Roach was very popular for a few years, but Linkin Park held on to the masses' attention much longer.
To an older generation, Judas Priest. To a younger generation, Linkin Park. However, Linkin Park eventually became more popular than Judas Priest by being more commercial.
Both are among the biggest rock acts in history, so it's hard to say