A toner comprising a toner particle including a binder resin, wherein the binder resin includes a polymer A, the polymer A contains a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer; the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylic acid esters having an alkyl group having 18 to 36 carbon atoms; a content of the first monomer unit in the polymer A is 5.0 mol% to 60.0 mol%, based on the total number of moles of all the monomer units in the polymer A; a content of the second monomer unit in the polymer A is 20.0 mol% to 95.0 mol%, based on the total number of moles of all the monomer units in the polymer A; where an SP value of the first monomer unit, measured as indicated in the description, is denoted by SP 11 (J/cm 3) 0.5 and an SP value of the second monomer unit, measured as indicated in the description, is denoted by SP 21 (J/cm 3) 0.5, following formulas and are satisfied; the polymer A includes a polyvalent metal; the polyvalent metal is at least one selected from the group consisting of Mg, Ca, Al, and Zn; and a content of the polyvalent metal in the toner particle, measured as indicated in the description, is 25 ppm to 500 ppm on a mass basis, and the content of the polyvalent metal in the toner particle and the content of the second monomer unit in the polymer A satisfy a formula below, 3.00 ≤ SP 21 − SP 11 ≤ 25.00 21.00 ≤ SP 21 and Content of the polyvalent metal in the toner particle / Content of the second monomer unit in the polymer A ≥ 0.5 ppm / mol % the binder resin includes a polymer A, the polymer A contains a first monomer unit derived from a first polymerizable monomer, and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer; the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylic acid esters having an alkyl group having 18 to 36 carbon atoms; a content of the first monomer unit in the polymer A is 5.0 mol% to 60.0 mol%, based on the total number of moles of all the monomer units in the polymer A; a content of the second monomer unit in the polymer A is 20.0 mol% to 95.0 mol%, based on the total number of moles of all the monomer units in the polymer A; where an SP value of the first monomer unit, measured as indicated in the description, is denoted by SP 11 (J/cm 3) 0.5 and an SP value of the second monomer unit, measured as indicated in the description, is denoted by SP 21 (J/cm 3) 0.5, following formulas and are satisfied; the polymer A includes a polyvalent metal; the polyvalent metal is at least one selected from the group consisting of Mg, Ca, Al, and Zn; and a content of the polyvalent metal in the toner particle, measured as indicated in the description, is 25 ppm to 500 ppm on a mass basis, and the content of the polyvalent metal in the toner particle and the content of the second monomer unit in the polymer A satisfy a formula below, 3.00 ≤ SP 21 − SP 11 ≤ 25.00 21.00 ≤ SP 21 and Content of the polyvalent metal in the toner particle / Content of the second monomer unit in the polymer A ≥ 0.5 ppm / mol %