Market Overview
According to fortune business insights, the global desalination technologies market size was valued at USD 27.8 billion in 2025. The market is projected to grow from USD 30.19 billion in 2026 to USD 59.34 billion by 2034, exhibiting a CAGR of 8.85% during the forecast period. Middle East & Africa dominated the desalination technologies market with a market share of 51.41% in 2025.
The analysis shows that the market is driven by the critical need to address freshwater scarcity, a problem exacerbated by population growth and climate change. Countries, particularly in arid regions, are increasingly investing in desalination projects to bridge the gap between available freshwater and rising demand. This trend indicates a strong and growing reliance on desalination as a primary source of fresh water globally.
Major Players Profiled in the Market Report:
Segments
High Efficiency and Lower Emissions to Propel Reverse Osmosis Segment Growth
Based on technology, the market is divided into reverse osmosis, multi-stage flash distillation, multi-effect distillation, and others. The reverse osmosis segment holds the largest market share, projected at 69.29% in 2026, and dominates the market owing to its status as the most advanced and highly efficient technology, generating significantly fewer greenhouse gas emissions compared to thermal methods.
Easy and Inexhaustible Availability to Drive Sea Water Segment Expansion
By source, the market is categorized into sea water, brackish water, river water, and others. The sea water segment is leading the market with a projected share of 56.74% in 2026, as it provides a virtually inexhaustible and reliable source of water for desalination, ensuring a consistent fresh water supply even during droughts.
Urban Expansion to Dominate Municipal End-User Segment