A study done by Toptechworld showed that websites ending on the .hk extension (Hong Kong) are the most dangerous to surf to. The study analyzed 10 million frequently visit sites in 265 countries. 19,2% of all websites ending on .hk were a security threat for the visitors of those websites. The .hk extension is followed by the .cn domain (China) that takes the second place with 11%.
Next to the most dangerous extensions, the study of Toptechworld also revealed that .fi (Finland) en .jp (Japan) are the safest extensions. Websites ending on those extensions are the safest for their visitors.