According to a report by the Commerce Department, retail sales in the U.S. in January fell by 0.3% compared with the previous month.
Analysts had expected the index to increase 0.2%.
In December, retail sales remained unchanged (revised from +0.4%).
Compared to January, 2017 the index increased by 3.6%.
Excluding car sales, retail sales in January has not changed after rising 0.1 percent a month earlier (revised from +0.4%).
Analysts had forecast growth in January increased by 0.5%.