1. Turkey
Production: 549,000 tonnes
That’s right, holding more than 70% of world’s hazelnut production and 80% of world’s hazelnut supply, Turkey is on top of our list of 6 largest hazelnut producing countries in the world. 549,000 tonnes isn’t even the maximum Turkey can produce, it’s barely an average. In 2008, the country produced staggering 800,000 tonnes of hazelnut.