Although there is not an out-of-the-box tool specifically designed for this, the Community Manager report that you might find helpful is the Profile Completion report. However depending on how many users you have, it may not include all the users.
There is an idea open for the functionality here:Function to Export Users to a CSV file
Feel free to vote it up to help it continue to gain votes.
Alternatively, you might consider using the REST API if you are interested in building your own report:
Hope this helps.