St. Patrick's Day falls on a Sunday this year, but that's not stopping celebrants from taking part in the Irish holiday.

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More than 133 million people plan to participate according to the National Retail Federation, which finds that total spending for the holiday is expected to grow to $4.7 billion.

The survey, conducted by BIGinsight finds the average person will spend $35.27 on green attire, decorations for the home and office and festive food and drinks.

"St. Patrick's Day is the perfect reminder that spring is right around the corner, and given the type of winter many Americans have had, it's safe to say consumers are ready to shake of their winter blues with a little green," said NRF President and CEO Matthew Shay.

"With Easter falling only two short weeks behind St. Patrick's Day this year, many retailers have already lined their shelves with baskets, candy and bright-colored apparel. Budget-conscious shoppers will look for promotions ahead of time hoping to kill two birds with one stone, shopping for Easter gifts while picking out shamrock-themed decorations."

According to the survey, eight in 10, or 84.2 percent, will celebrate by wearing green. An additional 23.3 percent will decorate their home or office and 34.6 percent will make a special dinner.

Young adults between the ages of 18 and 24 are planning the most celebrations, while 35 to 44 year olds will be spending the most on average, about $42.

"It's not surprising that this holiday resonates most with younger adults, but even mom and dad will get into the spirit this year by making special plans for a night in, or visiting with friends and neighbors," said BIGinsight Consumer Insights Director Pam Goodfellow. "For many, sticking to a budget will mean weighing their needs and wants and even looking around the house for fun, festive items they can reuse like green beads, Irish-themed pins and buttons and home decor items."