1 Percent of Friendship () is a South Korean reality show distributed by KBS2 which aired on Saturdays. Originally having been just a Chuseok show, it became a permanent weekly show after favourable reviews of its pilot episode.
The reality show explores relationship dynamics and developments by looking at how two people with opposite personalities interact and build friendship.
In the ratings below, the highest rating for the show will be in <span style=color:red>red</span>, and the lowest rating for the show will be in <span style=color:blue>blue</span> each year.