Author response:
Thanks for your interest. However, since Italy didn't exist as a nation until 1861, it is only 162 years old now as opposed to China which is over 2,000 years old. https://history.state.gov/countries/italy#:~:text=Summary,War%20(1870%2D71) explains: "The formation of the modern Italian state began in 1861 with the unification of most of the peninsula under the House of Savoy (Piedmont-Sardinia) into the Kingdom of Italy. Italy incorporated Venetia and the former Papal States (including Rome) by 1871.