[GA4] Collection and configuration limits

These limits apply on a per-property basis.

Collection limits

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	500 per app instance (app) Automatically collected events, like first_open and in_app_purchase, and events you collect via enhanced measurement do not count toward the limits.	No
Length of event name	40 characters	N/A
Event parameters per event	25	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

Configuration limits

 

Configured  item	Limit per property	Can I delete items if I'm close to the limit?
Audiences	100	Yes
Conversions	30	Yes
Custom insights	50	Yes
Funnels	200	Yes
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
Explorations	200 created per user 500 shared	Yes
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