A Comparative Review of Library Statistics in Iran and World Based on Standard Z39.7

In this study, the statistics of libraries in Iran and the world have been compared based on the Z39.7 standard. The study is an applied research and its method is survey. For this purpose, the history of libraries in Iran and the world based on the standard of library statistics Z39.7 in three sections of application, reporting unit and items, were systematically reviewed and analyzed. Analyzes were performed in two ways: documentary and content. In documentary analysis, using targeted sampling method with receipt and search for the keyword "Library Statistics" in Persian and Latin databases, all sources related to the subject were identified and after screening for duplicate cases, and finally, 138 sources in Iran. And 223 sources remained in the world. In content analysis, using Strauss and Corbin's three-stage open, axial and selective coding analysis method, the data were analyzed in SPSS software and by means of independent t-test, the significance of the difference between the mean usage, reporting unit and items in two independent communities Iran and the world were surveyed. According to the findings, the application of library statistics in Iran is local and provincial and in the world, international and national. The reporting unit is responsible for collecting statistics on libraries in Iran and the world, as well as university libraries, health/ medical services, national, public and specialized. Library statistics items are in Iran, infrastructure and in the world; Human resources, collections, financial resources and services. Library statistics in Iran should be presented through policy-making, coordination and planning based on a standard, scientific, up-to-date, continuous and annual model in order to be upgraded from the level of library directory to the level of library statistics.