Italian is an official language in the following 7 countries:
Italian , 95%
Of course they speak other languages. Don't you know people in your country who speak more than one language.
Italians didn't have to speak Italian, just as English people didn't have to speak English. They spoke these languages because the language developed in their area naturally.
Yes, the people in Italy speak different languages than the people in America.
Yes, if they study the languages. It's up to the individual person whether they learn different languages.
Most Australians speak English, though there are a few Italians, Greeks etc who don't speak English. There are also many languages used by the aborigines.
No, Italians speak a Romance language called Italian.
Italian
Immigrants from Italy spoke Italian. Their children grew up speaking both Italian and English.
There are no statistics available on how many people in Australia speak Italian. While it is certain that there are some who do, the national language of Australia is English, and those who speak other languages normally speak English in addition to any other languages they may speak.
Basically all Italians speak Italian from what i know and researched
While Italians seem to speak faster than some other languages, its simply a matter of preference. Some Italians speak slowly. Speaking rapidly isn't a part of Italian culture, but talking expressively, creatively, and using the parts of the body such as the hands, alone with descriptive facial expressions are cultural preferences.