The global seaweed cultivation market is projected to reach $69.5 billion by 2034, growing at a CAGR of 13.7% from $22 billion in 2025. The market is driven by increasing demand for sustainable, nutrient-rich, and environmentally friendly resources. Seaweed is versatile and offers significant benefits to industries such as food, pharmaceuticals, cosmetics, animal feed, and biofuels. Asia-Pacific leads global seaweed production, but Europe and North America are catching up, recognizing seaweed’s environmental benefits. Consumer awareness of seaweed’s nutritional benefits is growing, and governments and private sectors are investing in research and sustainable farming practices.
Technological advancements, such as offshore cultivation systems and integrated multi-trophic aquaculture, are enhancing yield efficiency and sustainability. The market is expected to grow due to trends such as increasing adoption of offshore farming, rising demand for functional foods, and advancements in seaweed-based bioplastics. Drivers include global interest in plant-based foods, governmental support, and expanding industrial applications. However, lack of standardized regulations and fragmented supply chains are challenges to be addressed. The market is poised to become an essential element of the circular economy and sustainable marine industries worldwide.