A liquid ejection head comprising: a flow path for a liquid to flow in a first direction; an energy generation element that generates energy for ejecting the liquid; and a nozzle that communicates with the flow path and that ejects the liquid in an ejection direction that intersects the first direction by the energy generated by the energy generation element, wherein when a specific position in the nozzle in the ejection direction is a first position, a specific position in the nozzle that is downstream of the first position in the ejection direction is a second position, a substantially center in the nozzle in a second direction that is a direction intersecting the first direction and the ejection direction is a third position, a specific position in the nozzle in the first direction is a fourth position, a specific position in the nozzle that is closer to one end of the nozzle in the first direction than is the fourth position is a fifth position, a width of the nozzle in the first direction at a position where the position in the ejection direction is the first position and the position in the second direction is the third position is a first width (W1p23b), a width of the nozzle in the first direction at a position where the position in the ejection direction is the second position and the position in the second direction is the third position is a second width (W1p23), a width of the nozzle in the second direction at a position where the position in the ejection direction is the second position and the position in the first direction is the fourth position is a third width (W2p14), a width of the nozzle in the second direction at a position where the position in the ejection direction is the second position and the position in the first direction is the fifth position is a fourth width (W2p15), the width of the nozzle in the second direction at a position where the position in the ejection direction is the first position and the position in the first direction is the fourth position is a seventh width (W2p14b), and the width of the nozzle in the second direction at a position where the position in the ejection direction is the first position and the position in the first direction is the fifth position is an eighth width (W2p15b), the second width (W1p23) is smaller than the first width (W1p23b), the fourth width (W2p15) is larger than the third width (W2p14), and characterised in that the eighth width (W2p15b) is smaller than the seventh width (W2p14b). a flow path for a liquid to flow in a first direction; an energy generation element that generates energy for ejecting the liquid; and a nozzle that communicates with the flow path and that ejects the liquid in an ejection direction that intersects the first direction by the energy generated by the energy generation element, wherein when a specific position in the nozzle in the ejection direction is a first position, a specific position in the nozzle that is downstream of the first position in the ejection direction is a second position, a substantially center in the nozzle in a second direction that is a direction intersecting the first direction and the ejection direction is a third position, a specific position in the nozzle in the first direction is a fourth position, a specific position in the nozzle that is closer to one end of the nozzle in the first direction than is the fourth position is a fifth position, a width of the nozzle in the first direction at a position where the position in the ejection direction is the first position and the position in the second direction is the third position is a first width (W1p23b), a width of the nozzle in the first direction at a position where the position in the ejection direction is the second position and the position in the second direction is the third position is a second width (W1p23), a width of the nozzle in the second direction at a position where the position in the ejection direction is the second position and the position in the first direction is the fourth position is a third width (W2p14), a width of the nozzle in the second direction at a position where the position in the ejection direction is the second position and the position in the first direction is the fifth position is a fourth width (W2p15), the width of the nozzle in the second direction at a position where the position in the ejection direction is the first position and the position in the first direction is the fourth position is a seventh width (W2p14b), and the width of the nozzle in the second direction at a position where the position in the ejection direction is the first position and the position in the first direction is the fifth position is an eighth width (W2p15b), the second width (W1p23) is smaller than the first width (W1p23b), the fourth width (W2p15) is larger than the third width (W2p14), and characterised in that the eighth width (W2p15b) is smaller than the seventh width (W2p14b).