Aqueous pigment dispersion

A pigment water dispersion comprising pigment-containing crosslinked polymer particles, in which a crosslinked polymer in the particles is a crosslinked product of a water-dispersible polymer that is obtained by crosslinking the water-dispersible polymer with a crosslinking agent represented by the following general formula (1):

• wherein R is an aliphatic hydrocarbon group having not less than 6 and not more than 14 carbon atoms, and wherein a content of chlorine in the crosslinking agent is not more than 5.0%, and
• the water-dispersible polymer is a vinyl-based polymer comprising
• a constitutional unit derived from (a) a hydrophobic monomer which is at least one monomer selected from the group consisting of an aromatic group-containing (meth)acrylate and a styrene-based macromer,
• a constitutional unit derived from (b) an ionic monomer, and
• a constitutional unit derived from (c) a nonionic monomer which is at least one monomer selected from the group consisting of polyalkylene glycol (meth)acrylates, alkoxy polyalkylene glycol (meth)acrylates, and aralkoxy polyalkylene glycol (meth)acrylates.