The household ownership of firearms has declined in recent decades. Data show that the 31.0% of households reported having a firearm in 2014, essentially tying with 2010 for the lowest level of gun ownership in the last 40-some years. This is a decline of about 17 percentage points from the peak ownership years in 1977-1980. - Trends in Gun Ownership in the United States, 1972-2014 (GSS)