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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 1.472 139 - 2 -
Biblios 54.661.189 1.019.107 97.534 56.468 17.326
Authorities 56.706.295 1.935.064 148.783 58.581 5.352
Items 76.497.198 1.338.165 171.419 79.026 21.399
Patrons 7.833.291 233.583 20.611 8.092 877
Issues 212.493.192 12.180.010 859.240 219.518 3.908