This paper describes the results of journals usage analysis conducted at the Korea Institute of Industry & Technology Information. The study covers the photocopy usage of journals during the past 5 years from 1995 through 1999. Analysis showed that 19% of journal collection met 93% of total demands. The Analysis also provided on journal use patterns. The most frequently used subject field of journals was Chemistry and Chemical Engineering. A relationship was found between rankings of journal as measured by the photocopy data and SCI journal citation ranking, however, no relationship was found between photocopy rankings of journal and rankings of journal impact factors.