An aqueous inkjet ink composition comprising water; resin particles; and a colorant; wherein the resin particles comprise a polymerization product of reactants comprising a monomer, an acidic monomer, a multifunctional monomer, and a reactive surfactant, the resin particles having a D (z, ave) of no greater than 150 nm, a D (v, 90) of less than 200 nm, and a polydispersity index of no greater than 0.050; wherein the monomer is selected from the group consisting of alkyl (meth)acrylates; β-carboxy ethyl acrylate (β-CEA); phenyl acrylate, methyl alphachloroacrylate; methacrylonitrile; acrylonitrile; vinyl ethers; vinyl esters; vinyl ketones; vinylidene halides; N-vinyl indole; N-vinyl pyrrolidone; methacrylate; acrylamide; methacrylamide; vinylpyridine; vinylpyrrolidone; vinyl-N-methylpyridinium chloride; vinyl naphthalene; p-chlorostyrene; vinyl chloride; vinyl bromide; vinyl fluoride; ethylene; propylene; butylenes; and isobutylene; wherein the acidic monomer is selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, dimethylacrylic acid, maleic anhydride, maleic acid, styrenesulfonic acid, vinylsulfonate, cyanoacrylic acid, vinylacetic acid, allylacetic acid, ethylidineacetic acid, propylidineacetic acid, crotonoic acid, fumaric acid, itaconic acid, sorbic acid, angelic acid, cinnamic acid, styrylacrylic acid, citraconic acid, glutaconic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, vinylbenzoic acid, N-vinylsuccinamidic acid, mesaconic acid, methacroylalanine, acryloylhydroxyglycine, sulfoethyl methacrylic acid, sulfopropyl acrylic acid, styrene sulfonic acid, sulfoethylacrylic acid, 2-methacryloyloxymethane-1-sulfonic acid, 3-methacryoyloxypropane-1-sulfonic acid, 3-(vinyloxy)propane-1 -sulfonic acid, ethylenesulfonic acid, vinyl sulfuric acid, 4-vinylphenyl sulfuric acid, ethylene phosphonic acid, vinyl phosphoric acid, vinyl benzoic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, and the sulfonic acid salts thereof; and wherein the multifunctional monomer is selected from the group consting of poly(ethylene glycol) di(meth)acrylate having a molecular weight from 200 g/mol to 2000 g/mol. diethylene glycol diacrylate, triethylene glycol diacrylate, tetraethylene glycol diacrylate, polyethylene glycol #400 diacrylate, polyethylene glycol #600 diacrylate, dipropylene glycol diacrylate; polyoxyethylene -2,2-bis(4-hydroxyphenyl)propane diacrylate, polyoxyethylene -2,2-bis(4-hydroxyphenyl)propane diacrylate; isoprene; butadiene; divinylbenzene; divinylnaphthalene; ethylene glycol diacrylate; 1,3-butylene glycol diacrylate; 1,4-butanediol diacrylate; 1,5-pentanediol diacrylate; 1,6-hexanediol diacrylate; 1,10-dodecanediol diacrylate; neopentyl glycol diacrylate; pentaerythritol triacrylate; trimethylolmethane triacrylate; trimethylolpropane triacrylate; tetramethylolmethane tetraacrylate; oligoester acrylate; and compounds obtained by substituting acrylate of these compounds with methacrylate. wherein the monomer is selected from the group consisting of alkyl (meth)acrylates; β-carboxy ethyl acrylate (β-CEA); phenyl acrylate, methyl alphachloroacrylate; methacrylonitrile; acrylonitrile; vinyl ethers; vinyl esters; vinyl ketones; vinylidene halides; N-vinyl indole; N-vinyl pyrrolidone; methacrylate; acrylamide; methacrylamide; vinylpyridine; vinylpyrrolidone; vinyl-N-methylpyridinium chloride; vinyl naphthalene; p-chlorostyrene; vinyl chloride; vinyl bromide; vinyl fluoride; ethylene; propylene; butylenes; and isobutylene; wherein the acidic monomer is selected from the group consisting of acrylic acid, methacrylic acid, ethacrylic acid, dimethylacrylic acid, maleic anhydride, maleic acid, styrenesulfonic acid, vinylsulfonate, cyanoacrylic acid, vinylacetic acid, allylacetic acid, ethylidineacetic acid, propylidineacetic acid, crotonoic acid, fumaric acid, itaconic acid, sorbic acid, angelic acid, cinnamic acid, styrylacrylic acid, citraconic acid, glutaconic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, aconitic acid, phenylacrylic acid, acryloxypropionic acid, vinylbenzoic acid, N-vinylsuccinamidic acid, mesaconic acid, methacroylalanine, acryloylhydroxyglycine, sulfoethyl methacrylic acid, sulfopropyl acrylic acid, styrene sulfonic acid, sulfoethylacrylic acid, 2-methacryloyloxymethane-1-sulfonic acid, 3-methacryoyloxypropane-1-sulfonic acid, 3-(vinyloxy)propane-1 -sulfonic acid, ethylenesulfonic acid, vinyl sulfuric acid, 4-vinylphenyl sulfuric acid, ethylene phosphonic acid, vinyl phosphoric acid, vinyl benzoic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, and the sulfonic acid salts thereof; and wherein the multifunctional monomer is selected from the group consting of poly(ethylene glycol) di(meth)acrylate having a molecular weight from 200 g/mol to 2000 g/mol. diethylene glycol diacrylate, triethylene glycol diacrylate, tetraethylene glycol diacrylate, polyethylene glycol #400 diacrylate, polyethylene glycol #600 diacrylate, dipropylene glycol diacrylate; polyoxyethylene -2,2-bis(4-hydroxyphenyl)propane diacrylate, polyoxyethylene -2,2-bis(4-hydroxyphenyl)propane diacrylate; isoprene; butadiene; divinylbenzene; divinylnaphthalene; ethylene glycol diacrylate; 1,3-butylene glycol diacrylate; 1,4-butanediol diacrylate; 1,5-pentanediol diacrylate; 1,6-hexanediol diacrylate; 1,10-dodecanediol diacrylate; neopentyl glycol diacrylate; pentaerythritol triacrylate; trimethylolmethane triacrylate; trimethylolpropane triacrylate; tetramethylolmethane tetraacrylate; oligoester acrylate; and compounds obtained by substituting acrylate of these compounds with methacrylate.