Sensitive data includes things like home addresses, personal income, personal debt, personal wealth, dates of birth, medical status, etc. I don't know if it's true that some nations publish that (I don't personally know of any) but whether that's the case or not doesn't make any difference to whether it's sensitive.
I'm not trying to be flip. You should try to look up your own data sometime. In many states, with just your plate number, I can request your info. The DMV will give it to me unless you've requested and presented a reason for them not to. Some will notify you and possibly give you a few days advance notice but with action on your part I will get your information. The cost here is less than $100 typically.
Or a PI. The cost there is less than $2000 typically.
In Sweden that's public information except medical status.
So I can call the IRS - get the date of birth and tax declaration, i.e. income from work and income from capital of anybody (except those with protected identity).
Address and date of birth etc. you can just check any map-site lite hitta.se.
