Provided is a laminate having a reduced loss ratio while maintaining a high space factor. The present disclosure relates to a laminate for use in a core, comprising: a strip laminate composed of soft magnetic metal strips; and an insulating layer provided on a surface of the strip laminate, wherein each one layer of the soft magnetic metal strips has a thickness of 100 μm or less, each one layer of the soft magnetic metal strips has an oxide film on their surfaces, the strip laminate is composed of at least two layers of the soft magnetic metal strip, and the strip laminate and the insulating layer are alternately disposed.