We’ve all seen counterfeit products sold at street vendors and open air markets. Whether it is fake designer purses, sunglasses or pirated movies, counterfeit products abound. However, the global trade in counterfeit products seems to be escalating in today’s globalized world. The Organization for Economic Co-operation and Development (OECD) recently issued a study that estimates the global trade in counterfeit brands and products at a whopping $591 billion a year. That’s roughly the size of the Australian economy, which is pretty big. The OECD singles out China as the nerve centre for fake products and says few brands are off limits when it comes to making knock-offs. And the counterfeit trade shows no signs of slowing down anytime soon. Here then is a list of the 10 most counterfeited products in the world today.