The BBC's focus magazine report reveals that Australia topped the overall in seven deadly sins, which include lust, greed and pride.
The report said, "The country that gave the world The Body, Sylvania Waters and Les Patterson has been ranked first overall in a study of the seven deadly sins - lust, gluttony, greed, sloth, wrath, envy and pride."
US has topped the table for gluttony and South Korea topped the list for lust.
The researchers awarded 10 points to the nation with the highest score for each of the sins.
Australians scored 46 points, ahead of the US on 32 points and Canada on 24. The UK came sixth overall.
The study also revealed that Iceland ranked number one for both pride and sloth and Mexico topped the list for greed.
The report said the to determine country's wrongdoings, the researchers studied levels of violent crime by comparing incidents of assault, rape and murder per 1000 people.