A polymerizable composition including a compound represented by following General Formula (1): (in Formula (1), M represents a metal atom; X 1 and X 2 each independently represents a sulfur atom or an oxygen atom; R 1 represents a divalent organic group; m represents an integer of 0 or 1 or greater; p represents an integer of 1 to n; n represents a valence of a metal atom M; and Y's each independently represents an inorganic or organic residue, where when n-p is 2 or greater, Y's may be bonded to each other to form a ring containing a metal atom M), and a thiol compound.