Drinking age in different countries • English Conversation Questions

What is the legal drinking age in the United States?
In what countries is the legal drinking age 18?
Is there a country where there is no legal drinking age?
What is the legal drinking age in Canada?
In which countries is the legal drinking age lower than 18?
How does the drinking age in the United Kingdom compare to that of the United States?
What is the legal drinking age in Australia?
In which countries is the legal drinking age higher than 21?
How does the drinking age in European countries compare to that of the United States?
What is the legal drinking age in Japan?
How does the drinking age in Asia compare to that of the United States?