This site, provided for the University of Michigan, is no longer maintained - last update was at the end of July 2020 - and should be considered archived. Statistics from Michigan are now available in a new COUNTER Release 5 IRUS service. Other US institutions are welcome to join this new IRUS service.

Welcome to IRUS-US

IRUS-US (Institutional Repository Usage Statistics US) provided COUNTER-conformant usage statistics for all content downloaded from participating institutional repositories (IRs). IRUS-US was a Jisc service based on IRUS-UK service, which has been in place in the UK since July 2012.

Coronavirus (COVID-19)

We've put together a table showing the usage of coronavirus related content in IRUS, featuring items in IRUS-UK, CORE, IRUS-ANZ and IRUS-US, which can be viewed at

View IRUS-US Reports


The service consolidates COUNTER-conformant statistics providing opportunities to demonstrate the value and impact of IRs:

  • facilitating comparable, standards-based measurements
  • providing an evidence base for repositories to develop policies and initiatives to help support their objectives
  • providing consistent and comprehensive statistics, presenting opportunities for benchmarking at a national level
  • developing a user community that will ensure that the service is responsive to user requirements
Jisc logo Cranfield logo