An aqueous ink comprising at least water, a water-soluble organic solvent
and a colorant.The colorant comprises a pigment containing a pigment
particle having at least one ionic group bonded to a surface of the
pigment particle directly or via another atomic group.The organic solvent
undergoes completely or substantially no solvation with the pigment and
the ionic group of the pigment particle undergoes completely or
substantially no ion dissociation in the organic solvent.