The most people being tattooed simultaneously is 223, achieved by tattooists and clients at Tattoo Jam 2010 at Doncaster Racecourse, Doncaster, UK, on 7 August 2010.
Over 300 tattoo artists were due to attend the convention. However, due to difficulties, only 265 were in atendance. Of this number, only 223 were verified to be tattooing during the record attempt.
Comments below may relate to previous holders of this record.