There are nine numbers in a Chinese passport.
If you have a European/Italian passport, you can enter Mexico without many issues.
No, passport numbers typically do not change when renewing a passport.
No, passport numbers typically do not change when you renew your passport.
There are 9 characters or digits on a Canadian passport.
No, passport numbers typically do not change when a passport is renewed.
In order to get an Italian passport you need to be an Italian citizen. The same applies to any country's passports. That is the purpose of a passport, it is a proof of citizen. So the question is really: are you an Italian citizen? Or can you get Italian citizenship (naturalisation or because one of your parents was Italian).
No, you can visit Jamaica up to 90 days on your Italian passport.
9 I just counted mine
Apparently 9 for most countries
No, US passport numbers do not change when renewed.
To renew your Italian passport, you will need to visit the nearest Italian consulate or embassy in your area. You will need to fill out a passport renewal application, provide necessary documents such as your current passport, proof of identity, and proof of residency, and pay the renewal fee. The consulate will process your application and issue you a new passport once approved.