A nonwoven fabric, wherein in a broken end part formed by a tensile test in accordance with JIS L 1913 of stretching in one direction to lead breakage, letting an innermost point in said one direction be P in and an outermost point be P out, distance D along said one direction between point P in and point P out is greater than or equal to 0.1 mm and less than or equal to 50 mm, having a lengthwise direction and a widthwise direction, wherein said one direction is parallel with said lengthwise direction, and containing a rectangular area having a length of 5 cm in the lengthwise direction and a length in the widthwise direction equivalent to the overall width of said nonwoven fabric, wherein in two or more divisional areas contained in said rectangular area each having a length in the lengthwise direction of 5 cm and a length in the widthwise direction of 1 cm, a ratio W i /W i+1 between a mass per unit area W i of an i-th divisional area from one end of the widthwise direction of said nonwoven fabric (provided that i is an integer of greater than or equal to 1, and a first divisional area contains said one end of the widthwise direction) and a mass per unit area Wi+i of an (i+1)th divisional area is 0.9 to 1.1, wherein the nonwoven fabric contains crimped fibers that are crimped in a coiled form, wherein the crimped fibers are formed of a composite fiber in which a plurality of resins having different coefficients of thermal contraction form a phase structure, wherein the mean fineness of the composite fiber is the range of 0.1 to 50 dtex, wherein the mean fiber length of the composite fiber is 10 to 100 mm, wherein the number of crimps before heating (machine crimp number) is 1 to 25 crimps/25 mm, and wherein the nonwoven fabric is produced by a method including the step of forming a web from fibers including the composite fiber (web formation step), the step of making fibers in the fiber web be localized in the plane (localizing step), the step of entangling at least part of the fibers in the fiber web (entangling step), and the step of heating the fiber web to crimp the composite fiber (heating step), wherein the localizing step is conducted by spraying or injecting low pressure water to the fiber web, the low pressure water is sprayed or injected to the fiber web intermittently or periodically, wherein the ejection pressure of the water in the localizing step is 0.1 to 1.5 MPa. having a lengthwise direction and a widthwise direction, wherein said one direction is parallel with said lengthwise direction, and containing a rectangular area having a length of 5 cm in the lengthwise direction and a length in the widthwise direction equivalent to the overall width of said nonwoven fabric, wherein in two or more divisional areas contained in said rectangular area each having a length in the lengthwise direction of 5 cm and a length in the widthwise direction of 1 cm, a ratio W i /W i+1 between a mass per unit area W i of an i-th divisional area from one end of the widthwise direction of said nonwoven fabric (provided that i is an integer of greater than or equal to 1, and a first divisional area contains said one end of the widthwise direction) and a mass per unit area Wi+i of an (i+1)th divisional area is 0.9 to 1.1, wherein the nonwoven fabric contains crimped fibers that are crimped in a coiled form, wherein the crimped fibers are formed of a composite fiber in which a plurality of resins having different coefficients of thermal contraction form a phase structure, wherein the mean fineness of the composite fiber is the range of 0.1 to 50 dtex, wherein the mean fiber length of the composite fiber is 10 to 100 mm, wherein the number of crimps before heating (machine crimp number) is 1 to 25 crimps/25 mm, and wherein the nonwoven fabric is produced by a method including the step of forming a web from fibers including the composite fiber (web formation step), the step of making fibers in the fiber web be localized in the plane (localizing step), the step of entangling at least part of the fibers in the fiber web (entangling step), and the step of heating the fiber web to crimp the composite fiber (heating step), wherein the localizing step is conducted by spraying or injecting low pressure water to the fiber web, the low pressure water is sprayed or injected to the fiber web intermittently or periodically, wherein the ejection pressure of the water in the localizing step is 0.1 to 1.5 MPa.