Google it.

But, here you go: https://support.google.com/analytics.../6086666?hl=en

Hope this is the answer you're looking for.

Benchmarking in Google Analytics show detail reports to compare our own data with others in similar industry. You can compare your report with others by selecting Industry Vertical, Location and size by daily sessions.

Benchmarking allows you to compare your data with aggregated industry data from other companies who share their data. This provides valuable context, helping you to set meaningful targets, gain insight into trends occurring across your industry, and find out how you are doing compared to your competition.
You can get detail information from: https://support.google.com/analytics.../6086666?hl=en

[DELETED]