The single was commercially successful around the world, topping charts in the United States, the United Kingdom, Canada, Australia and several other countries.
The Beatles produced three promotional films for the song, one of which was shown on The Ed Sullivan Show in America.
The track was included on the expanded US release of the Magical Mystery Tour soundtrack EP.
"Hello Goodbye" is in the key of C major and in 4/4 time.
The song became the group's fourth Christmas number 1 single in five years.