St. Patrick's Day is a green holiday in more ways than one.
According to the National Retail Federation, revelers are expected to spend an average of $35.37 per person this year, down slightly from last year's $36.52.
Party goers celebrating their Irish heritage-- or those who just want to be Irish-- will spend about $4.4 billion overall, the NRF said.
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Fifty-six percent of celebrants will purchase food and drink, 28 percent will buy clothes or accessories, 23.3 percent will buy decorations and 17.2 percent will buy candy, according to a study by Prosper Insights and Analytics.
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"St. Patrick's Day isn't a holiday for giving gifts, but it is a time for inexpensive and fun celebrations that make it easy for consumers of any age and on any budget to take part in the festivities," Pam Goodfellow of Prosper said in a news release.
St. Patrick's Day is big among the younger crowd. The survey found 70.1 percent of those ages 18 to 24 will celebrate, but those ages 25 to 34 years old will spend the most, shelling out an average of $42.58.
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