Multilayer film, vapor-deposited multilayer film, multilayer structure, packaging material, recovery composition, method for recovering multilayer structure, and method for manufacturing multilayer film

A multilayer film comprising:

• a layer (X) as an outermost layer;
• and
• at least one layer different from the layer (X),
• wherein
• the layer (X) is a layer consisting only of a resin composition (A) comprising:
• at least one gas barrier resin (a) selected from the group consisting of a polyamide and a vinyl alcohol resin;
• and a polyolefin (b) having a melt flow rate of 3.0 g/10 min or more at 190° C. under a load of 2.160 kg, as measured in accordance with JIS K7210-1 (2014), and
• the resin composition (A) comprises 0.1 parts by mass or more and 20 parts by mass or less of the polyolefin (b) with respect to 100 parts by mass of the gas barrier resin (a).