A structure material comprising a resin, reinforced fibers, and voids, a volume content of the resin being within a range of 2.5% by volume or more and 85% by volume or less, a volume content of the reinforced fibers being within a range of 0.5% by volume or more and 55% by volume or less, the voids being contained in the structure material in a rate within a range of 10% by volume or more and 97% by volume or less, the reinforced fibers being coated with the resin and a thickness of the resin, as measured according to the method in the description, is within a range of 1 μm or more and 15 μm or less, wherein the surface of the reinforced fibers is not exposed owing to the resin, the reinforced fibers being discontinuous and dispersed in a nearly monofilament form and in a random manner, the reinforced fibers being carbon fibers, a thickness St (mm)of the structure material satisfying a conditional expression: St ≥ Lf 2 ·(1-cos(θf)) where a length of the reinforced fibers is Lf (mm)and an oriented angle of the reinforced fibers in a sectional direction of the structure material is θf, and a specific bending modulus of the structure material represented as Ec 1/3 ·ρ -1 being within a range of 3 or more and 20 or less where a bending modulus of the structure material is Ec (GPa) and a specific gravity of the structure material measured in accordance with JIS K7222 is p (g/cm 3), and the bending modulus Ec of the structure material being 3 GPa or more, wherein the volume content of the voids, the length of the reinforced fibers, the oriented angle of the reinforced fibers in a sectional direction and the bending modulus of the structure material are measured according to the methods in the description; and wherein the resin contains at least one thermoplastic resin selected from the group consisting of: polyesters such as polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, and liquid crystal polyesters; polyolefins such as polyethylene, polypropylene, and polybutylene; polyoxymethylene, polyamide, and polyarylene sulfides such as polyphenylene sulfide; polyketone, polyether ketone, polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether nitrile, and fluorine-based resins such as polytetrafluoroethylene; and liquid crystal polymers, styrene-based resins, polycarbonate, polymethyl methacrylate (PMMA), polyvinyl chloride, polyphenylene ether, polyimide, polyamideimide, polyetherimide, polysulfone, polyether sulfone, and polyarylate, phenol-based resins, phenoxy resins, polystyrene-based, polyolefin-based, polyurethane-based, polyester-based, polyamide-based, polybutadiene-based, polyisoprene-based, and fluorine-based resins, acrylonitrile-based and other thermoplastic elastomers, and copolymers and modifieds of these. a volume content of the resin being within a range of 2.5% by volume or more and 85% by volume or less, a volume content of the reinforced fibers being within a range of 0.5% by volume or more and 55% by volume or less, the voids being contained in the structure material in a rate within a range of 10% by volume or more and 97% by volume or less, the reinforced fibers being coated with the resin and a thickness of the resin, as measured according to the method in the description, is within a range of 1 μm or more and 15 μm or less, wherein the surface of the reinforced fibers is not exposed owing to the resin, the reinforced fibers being discontinuous and dispersed in a nearly monofilament form and in a random manner, the reinforced fibers being carbon fibers, a thickness St (mm)of the structure material satisfying a conditional expression: St ≥ Lf 2 ·(1-cos(θf)) where a length of the reinforced fibers is Lf (mm)and an oriented angle of the reinforced fibers in a sectional direction of the structure material is θf, and a specific bending modulus of the structure material represented as Ec 1/3 ·ρ -1 being within a range of 3 or more and 20 or less where a bending modulus of the structure material is Ec (GPa) and a specific gravity of the structure material measured in accordance with JIS K7222 is p (g/cm 3), and the bending modulus Ec of the structure material being 3 GPa or more, wherein the volume content of the voids, the length of the reinforced fibers, the oriented angle of the reinforced fibers in a sectional direction and the bending modulus of the structure material are measured according to the methods in the description; and wherein the resin contains at least one thermoplastic resin selected from the group consisting of: polyesters such as polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, and liquid crystal polyesters; polyolefins such as polyethylene, polypropylene, and polybutylene; polyoxymethylene, polyamide, and polyarylene sulfides such as polyphenylene sulfide; polyketone, polyether ketone, polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether nitrile, and fluorine-based resins such as polytetrafluoroethylene; and liquid crystal polymers, styrene-based resins, polycarbonate, polymethyl methacrylate (PMMA), polyvinyl chloride, polyphenylene ether, polyimide, polyamideimide, polyetherimide, polysulfone, polyether sulfone, and polyarylate, phenol-based resins, phenoxy resins, polystyrene-based, polyolefin-based, polyurethane-based, polyester-based, polyamide-based, polybutadiene-based, polyisoprene-based, and fluorine-based resins, acrylonitrile-based and other thermoplastic elastomers, and copolymers and modifieds of these.