A permanent magnet, comprising a sintered compact having a composition expressed by a composition formula 1: R p1 Fe q1 M r1 Cu s1 Co 100-p1-q1-r1-s1, wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of zirconium (Zr), titanium (Ti), and hafnium (Hf), p1 is a number satisfying 10 ≤ p1 ≤ 13.3 at%, q1 is a number satisfying 25 ≤ q1 ≤ 40 at%, r1 is a number satisfying 0.87 ≤ r1 ≤ 5.4 at%, and s1 is a number satisfying 3.5 ≤ s1 ≤ 13.5 at%, wherein the permanent magnet is characterized by that the sintered compact comprises crystal grains and a Cu-rich phase; each of the crystal grains is composed of a main phase including a Th 2 Zn 17 crystal phase; the Cu-rich phase has a composition expressed by a composition formula 2: R p2 Fe q2 M r2 Cu s2 Co 100-p2-q2-r2-s2, wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of Zr, Ti, and Hf, p2 is a number satisfying 10.8 ≤ p2 ≤ 11.6 at%, q2 is a number satisfying 25 ≤ q2 ≤ 40 at%, r2 is a number satisfying 1 ≤ r2 ≤ 2 at%, and s2 is a number satisfying 5 ≤ s2 ≤ 16 at% and 1 < s2/s1; and a volume fraction of the Cu-rich phase in the sintered compact is 0.01% or more and 5% or less. a sintered compact having a composition expressed by a composition formula 1: R p1 Fe q1 M r1 Cu s1 Co 100-p1-q1-r1-s1, wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of zirconium (Zr), titanium (Ti), and hafnium (Hf), p1 is a number satisfying 10 ≤ p1 ≤ 13.3 at%, q1 is a number satisfying 25 ≤ q1 ≤ 40 at%, r1 is a number satisfying 0.87 ≤ r1 ≤ 5.4 at%, and s1 is a number satisfying 3.5 ≤ s1 ≤ 13.5 at%, wherein the permanent magnet is characterized by that the sintered compact comprises crystal grains and a Cu-rich phase; each of the crystal grains is composed of a main phase including a Th 2 Zn 17 crystal phase; the Cu-rich phase has a composition expressed by a composition formula 2: R p2 Fe q2 M r2 Cu s2 Co 100-p2-q2-r2-s2, wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of Zr, Ti, and Hf, p2 is a number satisfying 10.8 ≤ p2 ≤ 11.6 at%, q2 is a number satisfying 25 ≤ q2 ≤ 40 at%, r2 is a number satisfying 1 ≤ r2 ≤ 2 at%, and s2 is a number satisfying 5 ≤ s2 ≤ 16 at% and 1 < s2/s1; and wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of zirconium (Zr), titanium (Ti), and hafnium (Hf), p1 is a number satisfying 10 ≤ p1 ≤ 13.3 at%, q1 is a number satisfying 25 ≤ q1 ≤ 40 at%, r1 is a number satisfying 0.87 ≤ r1 ≤ 5.4 at%, and s1 is a number satisfying 3.5 ≤ s1 ≤ 13.5 at%, wherein R is at least one element selected from the group consisting of rare-earth elements, M is at least one element selected from the group consisting of Zr, Ti, and Hf, p2 is a number satisfying 10.8 ≤ p2 ≤ 11.6 at%, q2 is a number satisfying 25 ≤ q2 ≤ 40 at%, r2 is a number satisfying 1 ≤ r2 ≤ 2 at%, and s2 is a number satisfying 5 ≤ s2 ≤ 16 at% and 1 < s2/s1; and a volume fraction of the Cu-rich phase in the sintered compact is 0.01% or more and 5% or less.