Some do.
No
Anywhere in the US
yes...
No. Most correctional officers do not carry firearms.
Not required, but allowed to- as they are considered Law Enforcement Officers/Peace Officers
(in the US) Law Enforcement officers have always been armed.
Yes, Japanese police are armed.
British police officers normally don't carry guns unless they need to respond to a gun-related incident.
More carry real guns. Basically all police officers carry guns. Not every officer carries a stun gun. For instance, the city where I live, which is a large city, does not issue stun guns, and neither does the county.
Only if they have a permit or if they are commissioned officers of some kind. Most are not officers, but private businessmen.
Yes, police officers typically carry firearms as part of their duty to maintain public safety and enforce the law.