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This website displays Koha ILS usage statistics. With permission from the libraries, the following data has been collected from their installed systems. Any information not stored anonymously has been allowed by the library.

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Some numbers from the libraries sharing data
Total Largest Standard deviation Average Median
Libraries 1.602 139 - 2 -
Biblios 57.558.454 1.204.221 104.649 57.906 17.326
Authorities 58.453.879 1.935.064 148.011 58.807 5.381
Items 80.613.636 1.338.165 179.185 81.100 21.189
Patrons 7.909.332 234.283 20.440 7.957 873
Issues 215.719.008 12.180.010 851.145 217.021 3.471