This paper updates previous reviews of intellectual capital reporting by focusing on several important associated issues. It examines various definitions of intellectual capital and intellectual capital reporting, via intellectual capital statements, ratios, and through theoretical frameworks. One important finding of the review was that published research had identified that most intellectual capital reporting has been carried out in developed economies. The paper identifies a number of research areas that appear to be under represented in the literature. Introduction This paper updates a previous review of literature of intellectual capital by Petty and Guthrie (2000b