Thirteen million pints of Guinness will be drank around the world tomorrow as we gather to celebrate St. Patrick's Day. Here are some more facts about the Irish holiday.

  1. 60% of Americans plan to celebrate this year. They'll spend an average of $39.65 each and an all-time high of about $5.9 billion collectively.
  2. It's just the fourth most popular day of the year to tie one on. The top three drinking days are New Year's Eve, Christmas, and the Fourth of July.
  3. 83% of people who plan to celebrate this year will wear something green.
  4. Just over 33 million Americans have Irish ancestors. The two states with the highest percentage are Massachusetts and New Hampshire.
  5. A Leprechaun's pot of gold filled with 1,000 one-ounce gold coins would run you a cool $1.3 million this year.

Read more at Forbes.