A nonaqueous electrolyte secondary battery comprising: an electrode assembly; and an electrolyte solution, wherein the electrode assembly is impregnated with at least part of the electrolyte solution, the electrode assembly includes a positive electrode, a negative electrode, and a separator, the separator separates the positive electrode and the negative electrode from each other, the negative electrode includes a negative electrode active material, the negative electrode active material includes graphite, and the following relation of a formula is satisfied: 1.60 ≤ NPR / AAR ≤ 2.55 where NPR represents a ratio of a negative electrode charging capacity to a positive electrode charging capacity, AAR represents a ratio of an effective discharging capacity of the negative electrode to a total of a capacity corresponding to an amount of inactive lithium adhered to the negative electrode and the effective discharging capacity of the negative electrode, the positive electrode charging capacity is determined based on a result of charging/discharging of a single-electrode cell as defined in the description, the negative electrode charging capacity is determined based on a result of charging/discharging of a single-electrode cell as defined in the description, the effective discharging capacity is determined based on a result of charging/discharging of a battery as defined in the description, and the capacity corresponding to the amount of inactive lithium is determined based on a result of an ICP emission analysis as defined in the description, wherein the following relations of formulae and are further satisfied: 1.45 ≤ NPR ≤ 1.90 and 0.75 ≤ AAR ≤ 0.90 or wherein the following relations of formulae and are further satisfied: 1.05 ≤ NPR ≤ 1.40 and 0.55 ≤ AAR ≤ 0.65 an electrode assembly; and an electrolyte solution, wherein the electrode assembly is impregnated with at least part of the electrolyte solution, the electrode assembly includes a positive electrode, a negative electrode, and a separator, the separator separates the positive electrode and the negative electrode from each other, the negative electrode includes a negative electrode active material, the negative electrode active material includes graphite, and the following relation of a formula is satisfied: 1.60 ≤ NPR / AAR ≤ 2.55 where NPR represents a ratio of a negative electrode charging capacity to a positive electrode charging capacity, AAR represents a ratio of an effective discharging capacity of the negative electrode to a total of a capacity corresponding to an amount of inactive lithium adhered to the negative electrode and the effective discharging capacity of the negative electrode, the positive electrode charging capacity is determined based on a result of charging/discharging of a single-electrode cell as defined in the description, the negative electrode charging capacity is determined based on a result of charging/discharging of a single-electrode cell as defined in the description, the effective discharging capacity is determined based on a result of charging/discharging of a battery as defined in the description, and the capacity corresponding to the amount of inactive lithium is determined based on a result of an ICP emission analysis as defined in the description, wherein the following relations of formulae and are further satisfied: 1.45 ≤ NPR ≤ 1.90 and 0.75 ≤ AAR ≤ 0.90 or wherein the following relations of formulae and are further satisfied: 1.05 ≤ NPR ≤ 1.40 and 0.55 ≤ AAR ≤ 0.65