A waterproof ventilation structure comprising: a housing comprising an inner space and an opening portion allowing the inner space to communicate with an outer space; a waterproof gas-permeable membrane placed to cover the opening portion; and an electroacoustic transducing part placed in the inner space, wherein the waterproof ventilation structure further comprises: a first double-faced adhesive tape directly joining an inner surface of the housing and an edge portion of one surface of the waterproof gas-permeable membrane together; and a second double-faced adhesive tape directly joining an edge portion of the other surface of the waterproof gas-permeable membrane and the electroacoustic transducing part together, the waterproof gas-permeable membrane has a water entry pressure of 50 kPa or more as measured by high hydraulic pressure method specified in JIS L 1092, the first double-faced adhesive tape comprises a base comprising a foam material, a total thickness T of the waterproof gas-permeable membrane, the first double-faced adhesive tape, and the second double-faced adhesive tape, as measured in an uncompressed state prior to placement in the waterproof ventilation structure, is larger than a distance L between the inner surface of the housing and the electroacoustic transducing part fixed in the inner space of the housing, the foam material placed in the waterproof ventilation structure is compressed in a thickness direction, and the electroacoustic transducing part is further fixed in the inner space of the housing with a supporting member other than the first double-faced tape and the second double-faced adhesive tape. a housing comprising an inner space and an opening portion allowing the inner space to communicate with an outer space; a waterproof gas-permeable membrane placed to cover the opening portion; and an electroacoustic transducing part placed in the inner space, wherein the waterproof ventilation structure further comprises: a first double-faced adhesive tape directly joining an inner surface of the housing and an edge portion of one surface of the waterproof gas-permeable membrane together; and a second double-faced adhesive tape directly joining an edge portion of the other surface of the waterproof gas-permeable membrane and the electroacoustic transducing part together, the waterproof gas-permeable membrane has a water entry pressure of 50 kPa or more as measured by high hydraulic pressure method specified in JIS L 1092, the first double-faced adhesive tape comprises a base comprising a foam material, a total thickness T of the waterproof gas-permeable membrane, the first double-faced adhesive tape, and the second double-faced adhesive tape, as measured in an uncompressed state prior to placement in the waterproof ventilation structure, is larger than a distance L between the inner surface of the housing and the electroacoustic transducing part fixed in the inner space of the housing, the foam material placed in the waterproof ventilation structure is compressed in a thickness direction, and the electroacoustic transducing part is further fixed in the inner space of the housing with a supporting member other than the first double-faced tape and the second double-faced adhesive tape. a first double-faced adhesive tape directly joining an inner surface of the housing and an edge portion of one surface of the waterproof gas-permeable membrane together; and a second double-faced adhesive tape directly joining an edge portion of the other surface of the waterproof gas-permeable membrane and the electroacoustic transducing part together, the waterproof gas-permeable membrane has a water entry pressure of 50 kPa or more as measured by high hydraulic pressure method specified in JIS L 1092, the first double-faced adhesive tape comprises a base comprising a foam material, a total thickness T of the waterproof gas-permeable membrane, the first double-faced adhesive tape, and the second double-faced adhesive tape, as measured in an uncompressed state prior to placement in the waterproof ventilation structure, is larger than a distance L between the inner surface of the housing and the electroacoustic transducing part fixed in the inner space of the housing, the foam material placed in the waterproof ventilation structure is compressed in a thickness direction, and the electroacoustic transducing part is further fixed in the inner space of the housing with a supporting member other than the first double-faced tape and the second double-faced adhesive tape.