5. The United States of America:
United States of America, one of the highly developed economy in the world has been ranked 5^th when it comes to the nation with most hardworking employees. In the United States, just around 57 percent of the American and other nation’s employees working there take the leaves allotted to them as the vacation days leave. Apart from that, the professionals in America are entitled to enjoy 10 government holidays and the employees over here work around 1,768 hours in a year in their professional life.

4. South Korea:
South Koreans are one of the hardest workers in the world without any doubt, and that is the reason they have been ranked as the 4^th hardest working professionals in the entire world. According to the survey by Ipsos Global and Reuters, only 53 percent of the South Korean professionals take the benefit of the vacation holidays allotted to them. South Koreans are also entitled to enjoy 15 public holidays in a year.