COLLECTION
Microsoft's privacy statement, in its XBOX section (the account and network system Minecraft players use for sign-in, multiplayer, and cross-platform play), states that data collected about a user's use of Xbox services, games, apps, and consoles includes which games are played, game progress, achievements, play time, and other play statistics, alongside sign-in/sign-out events, purchases, and content obtained; the same section states that Microsoft additionally collects limited information about children — name, birthdate, email address, and region — when a parent sets up a child's Xbox profile, with parental or guardian consent required for users under 13.
privacy.microsoft.com ↗