Change apple id

If the following procedure is used, no data or purchases should be lost: Change your Apple ID - Apple Support

multazam786 Said:

"Change apple id: I want to change a new apple id, will the old data lost ?"

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Is this a Different Apple Account?:

If you are going to use a different Apple Account (rather than modifying the eMail address of the current Apple Account), then: Yes. All pertaining data would be lost, being it is a new account.