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System Implementation Trends among ARL member libraries


Caveat and Credit

This resource presents the number of installations of each ILS product among the members of the Association of Research Libraries from 2000 through 2020. These numbers were reconstructed from captures of Association of Research Libraries: Current Automation Systems on the Internet Archive

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ILS Products used by ARL Libraries
ILS200020012002200320042005200620072008200920102011201220132014201520162017201820192020
Advance 21121111111
Aleph 6917202021212222232426252219181312985
Alma 5817213135576773
Amicus 111111111111
Carl 11
DRA 12124
FOLIO 2
Horizon 10109777777644332222222
Koha 1
KualiOLE 1111111
LocallyDeveloped 22222211
Millennium 333434353637383839394040272521201612522
MultiLIS 111
NOTIS 1210211
Sierra 101112131719151414
Symphony 13131719181818181818201918181717161513118
Taos 111
VTLS 22111
Virtua 111
Voyager 262633353535353535353535353531272424181410
WorldShare 2333345
Ex Libris 6917202021215757585961656567666871848988
Ex Libris MS 5%7%14%16%16%17%17%46%46%47%47%49%53%53%55%54%55%58%68%72%72%
Innovative 333434353637383839394040373633333331201616
Innovative MS 27%28%28%28%29%30%31%31%32%32%32%32%30%30%27%27%27%25%16%13%13%
SirsiDynix 252521191825252525242423212119191817151310
SirsiDynix MS 20%20%17%15%15%20%20%20%20%20%19%18%17%17%16%16%15%14%12%11%8%
OCLC 2333345
OCLC MS 0%0%0%0%0%0%0%0%0%0%0%0%0%0%2%2%2%2%2%3%4%
Totals 122123123123123123123123123123125125123122122122123123123123123

Market Share among ARL Member Libraries: Ex Libris vs Innovative

ILS Implementations among ARL Members (all systems)