A "meme" I saw on facebook this morning asked this question.
I was very surprised at the answer.
While it is debatable as to whether the credit goes to Congress or the Presidents, we know that the last 3 Democratic Presidents ALL decreased the annual deficit. These Presidents include:
I am curious as to how many people get it right as to who the last Republican President was that decreased the annual deficit.
The reason I think this is important is because public opinion of this is extremely backwards as compared to reality.