Question: is america the only country with a drinking age of 21

Answer: No, Kazakhstan, Oman, Pakistan, Qatar, Sri Lanka, Tajikistan, Thailand, United Arab Emirates, Federated States of Micronesia, Palau, Paraguay, Solomon Islands, India (certain states), the United States (except U.S. Virgin Islands and Puerto Rico), Yemen (Aden and Sana'a), Japan, Iceland, Canada (certain Provinces and Territories), and South Korea have the highest set drinking ages; however, some of these countries do not have off-premises drinking limits. Austria, Antigua and Barbuda, Belgium, Bermuda, British Virgin Islands, Cuba, Ethiopia, Gibraltar, Luxembourg and Nicaragua have the lowest set drinking ages.