An antimicrobial coating composition comprises (i) a binder dispersion of (co)polymer particles and (ii) from 50ppm to 2000ppm, by dry weight based on total dry weight of the coating composition, a silver; wherein the binder dispersion comprises, as polymerized units, by dry weight based on total dry weight of the binder dispersion, (a) from 40% to 99.9% ethylenically unsaturated nonionic monomers and (b) from 0.1% to 60% phosphate group-containing (meth)acrylate monomers.