Pictured here is a guide from Bhutan dressed in the traditional men's uniform, a goh.
Since then the country's leaders have been measuring its success based on the happiness of its residents.
In early November 2015, Bill Weir, host of CNN's "The Wonder List with Bill Weir", traveled to Bhutan for 13 days to discover what this concept really meant.
The country and its way of living have also caught the attention of Prince William and Kate Middleton, who will be traveling to Bhutan to meet with the king and queen later this month.
We recently spoke with Weir to learn more about some of the country's most fascinating aspects, from the uniform its residents don to the technology that is slowly starting to trickle in. The Bhutan episode of "The Wonder List" airs Sunday.