31% of charitable online donations happen during the month of December. If you're thinking of giving back this holiday season, here are a few charities you may want to look into.

Happy Giving Tuesday! There are obviously a TON of amazing charities out there, so choosing just one or two to donate to can be pretty difficult. WalletHub did a study of over 100 of the most prominent U.S. charities, and looked at their financial performance, transparency and popularity. Here are their top picks for each category:

For more charities and tips on how to donate effectively, click HERE.

[Via WalletHub]