Those things that Google will give to local, state, or federal law enforcement agencies include: the name used to create a Gmail account; the IP address from which an account was created, a password was changed, or where an email was sent; where and what times you sign in and out of an account, and non-content fields ...

If we reasonably believe that we can prevent someone from dying or from suffering serious physical harm, we may provide information to a government agency — for example, in the case of bomb threats, school shootings, kidnappings, suicide prevention, and missing persons cases.

Under FISA Section 702 (50 U.S. Code § 1881a et seq), the FISC may authorize the government to issue orders requiring companies to disclose content data, as well as non-content data, pertaining to specific non-US persons located outside the US in order to obtain certain judicially approved types of foreign intelligence ...

If you're using an Android device with Google apps, your device periodically contacts Google servers to provide information about your device and connection to our services.