A silver ink composition Which includes a silver carboxylate having a group represented by a formula iCOOAg, an aliphatic primary amine or secondary amine having 2 to 10 carbon atoms, an acetylene alcohol represented by a general formula (2) shown below, and a hydrocarbon having 6 to 20 carbon atoms, and has a viscosity at 27° C. of 40 mPa-s or less, in the formula, each of R′ and R″ independently represents an alkyl group having 1 to 20 carbon atoms or a phenyl group in which one or more hydrogen atoms may be substituted with a substituent.