(BusinessInsider) Unless Congress intervenes, taxes are set to rise significantly on January 1st, when we hit the “fiscal cliff.”

The change in one tax rate on January 1 will be startlingly large: The change in dividend taxes.

On January 1, dividend taxes for those in the top tax bracket will jump from the current 15% back to the Clinton-era 39.6%. And then a new 3.8% surcharge to pay for Obamacare will be added on top, for a total top tax rate on dividends of 43.4%.

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