These limits apply on a per-property basis.
If you need higher limits, you can upgrade your property to 360.
Analytics does not log events, event parameters, and user properties that exceed the following limits.
For detailed information about the error events that Analytics logs when you exceed the following collection limits, see Analytics Error Codes.
|Logged item||Limit||Can I delete items if I'm close to the limit?|
|Distinctly named events||No|
|Length of event name||40 characters||N/A|
|Event parameters per event||25 event parameters||Yes|
|Length of event-parameter name||40 characters||N/A|
|Length of event-parameter value||100 characters||N/A|
|User properties||25 per property||No|
|Length of user-property names||24 characters||N/A|
|Length of user-property values||36 characters||N/A|
|Length of User-ID values||256 characters||N/A|
|Configured item||Limit per property||Can I delete items if I'm close to the limit?|
|User-scoped custom dimensions||25||Yes|
|Event-scoped custom dimensions||50||Yes|
|Event-scoped custom metrics||50||Yes|
|Registered custom conversion events||30||Yes|
|Data retention||Up to 14 months||N/A|
200 created per user
|Explore sampling limits||10M events per query||N/A|
|Ads links||400||Yes. You can also consider using a Google Ads manager account and linking to that account instead of to individual client accounts|