A pneumatic tire comprising: a pair of beads; and a carcass extending on and between one of the beads and the other of the beads, wherein each bead includes a core, a first apex extending from the core outward in a radial direction, and a second apex located outward of the first apex in an axial direction, the carcass includes a carcass ply, the carcass ply is turned up around the core from an inner side toward an outer side in the axial direction, so that a main portion and a turned-up portion are formed in the carcass ply, the turned-up portion is located between the first apex and the second apex, the second apex is shaped to be tapered outward in the radial direction and be tapered inward in the radial direction, an outer edge, in the radial direction, of the second apex reaches a vicinity of a maximum width position (Pw) of the tire, a thickness of the second apex becomes maximum in a vicinity of an end of the first apex, in a cross-section of the tire taken along a plane perpendicular to a circumferential direction, a contour of an inner surface, in the axial direction, of the second apex includes a circular arc C1 that is convex outward in the axial direction, the circular arc C1 extends inward from an outer end, in the radial direction, of the contour of the inner surface, a contour of an outer surface, in the axial direction, of the second apex includes: a circular arc C2 that is convex outward in the axial direction; and a circular arc C3 that is convex inward in the axial direction, the circular arc C2 extends inward from an outer end, in the radial direction, of the contour of the outer surface, the circular arc C3 is located inward of the circular arc C2 in the radial direction and is in contact with the circular arc C2, characterized in that when a height from a bead base line to the maximum width position (Pw) of the tire is denoted by Hw, a difference (Ht-Hw/2) between a height Ht from the bead base line to a contact point (Pt) between the circular arc C2 and the circular arc C3 and a height that is half of the height Hw is equal to or greater than -10 mm and equal to or less than 10 mm, a radius of curvature R1 of the circular arc C1 is greater than a radius of curvature R2 of the circular arc C2, and the radius of curvature R2 is greater than a radius of curvature R3 of the circular arc C3. a pair of beads; and a carcass extending on and between one of the beads and the other of the beads, wherein each bead includes a core, a first apex extending from the core outward in a radial direction, and a second apex located outward of the first apex in an axial direction, the carcass includes a carcass ply, the carcass ply is turned up around the core from an inner side toward an outer side in the axial direction, so that a main portion and a turned-up portion are formed in the carcass ply, the turned-up portion is located between the first apex and the second apex, the second apex is shaped to be tapered outward in the radial direction and be tapered inward in the radial direction, an outer edge, in the radial direction, of the second apex reaches a vicinity of a maximum width position (Pw) of the tire, a thickness of the second apex becomes maximum in a vicinity of an end of the first apex, in a cross-section of the tire taken along a plane perpendicular to a circumferential direction, a contour of an inner surface, in the axial direction, of the second apex includes a circular arc C1 that is convex outward in the axial direction, the circular arc C1 extends inward from an outer end, in the radial direction, of the contour of the inner surface, a contour of an outer surface, in the axial direction, of the second apex includes: a circular arc C2 that is convex outward in the axial direction; and a circular arc C3 that is convex inward in the axial direction, the circular arc C2 extends inward from an outer end, in the radial direction, of the contour of the outer surface, the circular arc C3 is located inward of the circular arc C2 in the radial direction and is in contact with the circular arc C2, when a height from a bead base line to the maximum width position (Pw) of the tire is denoted by Hw, a difference (Ht-Hw/2) between a height Ht from the bead base line to a contact point (Pt) between the circular arc C2 and the circular arc C3 and a height that is half of the height Hw is equal to or greater than -10 mm and equal to or less than 10 mm, a radius of curvature R1 of the circular arc C1 is greater than a radius of curvature R2 of the circular arc C2, and the radius of curvature R2 is greater than a radius of curvature R3 of the circular arc C3.