Organisation for Economic Co-operation and Development (2016)
It measures the economic contribution of ocean-based industries to world economic output in terms of gross value added (GVA at basic prices) and employment. Two different approaches are developed to estimate the current value of the sea economy for two sets of ocean-based industries: industries defined by ISIC Rev.3 and industries not defined by the ISIC Rec.3. In 2010 Blue Economy represented USD 1.5 trillion and 31 million jobs worlwide. Estimation for 2030: Blue Economy could exceed USD 3 trillion and be responsible for more than 40 million jobs.