Brokerage account sizes - Research by BrokerChooser

Written by
Adam N.
Fact checked by
10h ago

Main takeaways


  • Between 2015 and Q3 2023, assets under management at the brokers covered in the analysis had a compounded annual growth rate (CAGR) of 28%. Between 2019 and 2020, the value jumped significantl, reflecting the activity of retail investors in this period. 
  • US brokers have more than 20x more assets under management than the other brokers included in our analysis. This is mainly due to the fact that US brokers have significantly more accounts compared to other brokers.
  • Customers at Robinhood generally have the smallest accounts, with an average of $4,000. Meanwhile, the average account size of Fidelity customers is more than 60x bigger.

BrokerChooser is an independent global retail brokerage comparison service that has so far reviewed 100+ brokers worldwide and serves more than 300k users per month. Our analyst team is constantly on the lookout for emerging trends in the retail brokerage world.

We examined publicly available data on assets under management at retail brokers. Read on to learn what we’ve found.

To find other analyses on BrokerChooser's data dashboard, visit this page.

Total assets under management

Total assets managed per broker at the end of the period (USD billion)

Total assets managed at the end of the period (USD billion)


Average broker account size

Average account size in Q3 2023, by broker (USD thousand)

Contact us

If you have any questions about the methodology or dataset, feel free to contact us: 

Ádám Nasli, Analyst Head: [email protected]

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Author of this article

Adam Nasli

Trading • Safety • Market Analysis

I bring extensive financial expertise as one of BrokerChooser's earliest team members. Personally, I tested nearly all 100+ brokers on our site, opening real-money accounts, executing trades, assessing customer services, and providing firsthand assessment. My professional background includes roles in the banking sector and a degree from Central European University, where I teach finance. My passions lies in in-depth research of the financial industry, building trading algorithms, and managing long-term investments.

Everything you find on BrokerChooser is based on reliable data and unbiased information. We combine our 10+ years finance experience with readers feedback. Read more about our methodology.

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