A gas barrier laminate having a strip-like shape in which the dimension in the longitudinal direction is larger than the dimension in the widthwise direction including a functional layer, a resin film, a smoothing layer, and a gas barrier layer sequentially stacked, the functional layer being one kind layer selected from the group consisting of a hard coat layer, and an antistatic layer, the hard coat layer being formed of a cured product of an activated energy ray-curable resin composition, the antistatic layer being formed of an antistatic layer-forming composition the smoothing layer being formed of a cured product of an activated energy ray-curable resin composition, and the gas barrier layer being an inorganic deposited film or a layer obtained by subjecting a layer that includes a silicon-containing polymer to a modification treatment, wherein the activated energy ray-curable resin composition of the hard coat layer includes a polymerizable compound and fine particles having an average particle size of 0.001 to 10 μm measured using a laser diffraction/scattering method, the antistatic layer-forming composition includes a condensation polymer of either or both of a metal alkoxide and a partially hydrolyzed metal alkoxide and fine particles having an average particle size of 0.001 to 10 μm measured using a laser diffraction/scattering method, a coefficient of static friction between a surface of the functional layer that is situated opposite to the resin film and a surface of the gas barrier layer that is situated opposite to the resin film is 0.35 to 0.80, a surface of the functional layer that is situated opposite to the resin film has an arithmetic average roughness (Ra) of 5 nm to 20 nm and a total height (Rt) of a roughness profile of 100 nm or more, the coefficient of static friction of the functional layer and the gas barrier layer is measured in accordance with JIS K 7125, and the arithmetic average roughness (Ra) and the total height (Rt) of the roughness profile of the surface of the functional layer are measured using an optical interference microscope. the functional layer being one kind layer selected from the group consisting of a hard coat layer, and an antistatic layer, the hard coat layer being formed of a cured product of an activated energy ray-curable resin composition, the antistatic layer being formed of an antistatic layer-forming composition the smoothing layer being formed of a cured product of an activated energy ray-curable resin composition, and the gas barrier layer being an inorganic deposited film or a layer obtained by subjecting a layer that includes a silicon-containing polymer to a modification treatment, the activated energy ray-curable resin composition of the hard coat layer includes a polymerizable compound and fine particles having an average particle size of 0.001 to 10 μm measured using a laser diffraction/scattering method, the antistatic layer-forming composition includes a condensation polymer of either or both of a metal alkoxide and a partially hydrolyzed metal alkoxide and fine particles having an average particle size of 0.001 to 10 μm measured using a laser diffraction/scattering method, a coefficient of static friction between a surface of the functional layer that is situated opposite to the resin film and a surface of the gas barrier layer that is situated opposite to the resin film is 0.35 to 0.80, a surface of the functional layer that is situated opposite to the resin film has an arithmetic average roughness (Ra) of 5 nm to 20 nm and a total height (Rt) of a roughness profile of 100 nm or more, the coefficient of static friction of the functional layer and the gas barrier layer is measured in accordance with JIS K 7125, and the arithmetic average roughness (Ra) and the total height (Rt) of the roughness profile of the surface of the functional layer are measured using an optical interference microscope.