A magnetic material for magnetic refrigeration containing a NaZn 13 compound represented by La 1-y Pr y (Fe 1-x-z Mn z Si x ) 13 H w or a NaZn 13 compound represented by La 1-y Pr y (Fe 1-x-z Mn z Si x-v A) v ) 13 H w , wherein a total amount of a coexistence phase other than the coexisting NaZn 13 compound is less than or equal to 0.1 volume%, and in crystal particles of the NaZn 13 compound, an average particle diameter is greater than or equal to 40 μm and less than or equal to 200 μm, and a cumulative probability of a particle diameter distribution having a spherical volume equivalent particle diameter of less than or equal to 40 μm is less than 50%, and in the formula described above, an amount of Si is 0.100 ≤ x ≤ 0.130, amounts of Pr and Mn are 0.1 < y ≤ 0.4 and 0.005 < z ≤ 0.030, respectively, an amount of H is 1.4 ≤ w ≤ 1.7, and an amount of Al is 0 < v ≤ 0.030 , wherein the average particle diameter is measured by a measurement method comprising the steps of observing crystal particle diameter using a metallographic microscope to obtain an image, performing binarization processing such that crystal particles and crystal grain boundaries are separated from each other while visually determining an observation image, converting circle radius equivalent particle diameter extracted from the observation image into volume equivalent sphere radii, determining an average value of the volume equivalent sphere radii defined by the logarithmic normal distribution obtained by the least square fitting as the average particle diameter as defined in the description, wherein the particle diameter distribution is measured by a measurement method comprising the steps of creating a histogram of the circle radius equivalent particle diameter, converting circle radius equivalent particle diameter extracted from the observation image into volume equivalent sphere radii, and performing a least square fitting to determine a logarithmic normal crystal particle diameter distribution function as defined in the description. in the formula described above, an amount of Si is 0.100 ≤ x ≤ 0.130, amounts of Pr and Mn are 0.1 < y ≤ 0.4 and 0.005 < z ≤ 0.030, respectively, an amount of H is 1.4 ≤ w ≤ 1.7, and an amount of Al is 0 < v ≤ 0.030 , wherein the average particle diameter is measured by a measurement method comprising the steps of observing crystal particle diameter using a metallographic microscope to obtain an image, performing binarization processing such that crystal particles and crystal grain boundaries are separated from each other while visually determining an observation image, converting circle radius equivalent particle diameter extracted from the observation image into volume equivalent sphere radii, determining an average value of the volume equivalent sphere radii defined by the logarithmic normal distribution obtained by the least square fitting as the average particle diameter as defined in the description, wherein the particle diameter distribution is measured by a measurement method comprising the steps of creating a histogram of the circle radius equivalent particle diameter, converting circle radius equivalent particle diameter extracted from the observation image into volume equivalent sphere radii, and performing a least square fitting to determine a logarithmic normal crystal particle diameter distribution function as defined in the description. <EOS>