“100 Years” is a song written and recorded by American recording artist Five for Fighting (John Ondrasik). The song is written by John Ondrasik and produced by Gregg Wattenberg. It was released in November 2003 as the first single from the album The Battle for Everything.
In December 2004, on the Billboard end-of-the-year music chart, “100 Years” was ranked at number 77 for the year, though it peaked at number twenty-eight. “100 Years” was also the longest running number-one single of the year on the Billboard Hot Adult Contemporary Tracks chart, staying at number-one for 12 non consecutive weeks.