He said that could be an effect of the changing economy. Since 2011 retailers had had to focus on Boxing Day to lure customer spending after a tight year, but 2014 had not been as tough, with better spending throughout.
"Even internationally, in the US and Europe, online it's not as big a deal in terms of Boxing Day sales, it has definitely dropped off as the economy is on the improve.
"It probably means they haven't had to go into such deep discounts as in the past."
Retail New Zealand spokesman Greg Harford said he went to the supermarket on New Year's Eve to find the shelves empty.
He said the pre-Christmas sales meant Boxing Day had lost some impact. "It's a competitive marketplace. They're trying hard to get customers through the door."
New Zealanders spent $5.3billion through the Paymark network in December, up $300m on December 2013.
Paymark processes 75 per cent of our electronic transactions.