# GA4 BigQuery export schema

> In BigQuery, the Google Analytics 4 schema is completely different to the (Universal) Google Analytics 360 schema. This tree map is a simple interactive way to explore the new schema for new and old GA/BigQuery users alike.

Source: https://www.measurelab.co.uk/insights/blog/ga4-bigquery-export-schema/  
Author: Scott Hellmund  
Published: 2022-03-10  
Updated: 2026-10-12

I've always found the [GA360 interactive schema](https://storage.googleapis.com/e-nor/visualizations/bigquery/ga360-schema.html) from E-Nor (now Merkle - Cardinal Path) by [Justin Marciszewski](https://www.justinmarciszewski.me/) to be a handy way to find out where different elements can be found in the BigQuery schema.

GA4 has a new schema, different to that of the Universal Analytics schema you may have become familiar with using GA360. I hope this proves to be a useful visual reference for new and old GA4/BigQuery users alike!

You can explore the GA4 BigQuery export schema by clicking on the tree map below. Or you can [open it full-screen in a new tab](https://www.measurelab.co.uk/wp-content/uploads/GA4_tree.html) (and maybe bookmark the page for future reference).

If you're wondering if or [why you should be exporting your GA4 data to BigQuery](https://www.measurelab.co.uk/insights/blog/reasons-export-ga4-data-bigquery/) in the first place, Lace gives 10 very good reasons in her blog.

I've also written up a full [guide on how to build this yourself](https://www.measurelab.co.uk/insights/blog/build-interactive-ga4-bigquery-data-schema/) using R should you want to have a go and to use your own GA4 event schema to generate the tree map.