Total US spending related to Father’s Day (Sunday, June 16, 2013) should reach almost $13.3 billion this year, per results from a National Retail Federation (NRF) and BIGinsight survey. That would mark a 4.5% rise from a projected $12.7 billion last year. While the percentage of adults planning to celebrate Father’s Day is relatively flat, at 77.7%, the average celebrant will increase spending by a couple of dollars, to roughly $120. By comparison, Mother’s Day spending was expected to reach about $20 billion this year, with the average celebrant shelling out $169. Read the rest at MarketingCharts.