The oldest performing ballerina is Grete Brunvoll (Norway) (b. 27 July 1930). She began dancing at the age of 6 and her first professional performance was at the Nathionalteater in 1945, when she was 15 years old.
She is now almost 80 years old and still trains everyday and does regualar public performances.
Comments below may relate to previous holders of this record.