An active energy ray-curable ink including a polymerizable compound and a colorant, the polymerizable compound including an N-vinyl compound, a monofunctional polymerizable compound capable of forming a homopolymer having a Tg of −30° C. to 30° C., and a compound selected from the group consisting of a difunctional (meth)acrylate and a polymerizable silicone-based surfactant, wherein the total content of a monofunctional polymerizable compound capable of forming a homopolymer having a Tg of less than −30° C. and a monofunctional polymerizable compound capable of forming a homopolymer having a Tg of more than 30° C. excluding the N-vinyl compound is 10% by mass or less of the total amount of the polymerizable compound, and the total content of the compound selected from the group consisting of the difunctional (meth)acrylate and the polymerizable silicone-based surfactant is 0.1% to 2% by mass of the total amount of the polymerizable compound, and applications of the active energy ray-curable ink.