An ink composition is provided that includes a cationically polymerizable
compound (a), a compound (b) that generates an acid when exposed to
radiation, a colorant (c), and a salt of a weak acid having a pKa of 4 to
8 (d). There is also provided an inkjet recording method that includes a
step of discharging the ink composition onto a recording medium, and a
step of irradiating the discharged ink composition with radiation so as
to cure the ink composition.