Is IOP Publishing COUNTER 5.1 compliant?

Is IOP Publishing COUNTER 5.1 compliant? 

Yes, IOP Publishing is COUNTER 5.1 compliant from January 2025. We also generate usage data in the release 5.0 format from January 2022 until Dec 2024, thereafter no new 5.0 reports will be generated.  

Please contact our Customer Service team if you have any further questions.