Ratings Methodology for Banks and Credit Unions




Our survey of more than 80 financial institutions includes the largest U.S. banks by assets, internet search traffic and other factors, as well as the nation’s largest credit unions based on deposits and broad-based membership, plus notable or emerging players in the industry.

We considered more than 25 data points for each bank and credit union. Depending on the category, these included account fees and rates (such as annual percentage yields), ATM and branch access, account features, customer service access and user-facing technology such as innovative tools and mobile apps. We gathered this information for each financial institution from its website, a media representative or both.

The stars represent ratings from poor (one star) to excellent (five stars). Ratings are rounded to the nearest half-star.

» Want to learn about where to open an account? Go to NerdWallet’s list of bank and credit union reviews.

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