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Roughly 2.2 billion people lack access to safe drinking water, according to the World Health Organization \u2014 and that number climbs every year as aquifer depletion accelerates. Desalination has moved from a last-resort technology to a core piece of water infrastructure planning on every continent. The global market hit an estimated $21.3 billion in 2025 and is tracking a 9.1% compound annual growth rate through 2032, driven by municipal demand, industrial expansion, and a sharp drop in membrane costs over the past decade. (INTERNAL-LINK: reverse osmosis technology overview<\/span>)<\/a><\/p>\n This analysis covers current market size, the technology mix powering 2026 capacity, regional demand drivers, and the trends reshaping system design right now.<\/p>\n <\/p>\n TL;DR:<\/strong> The global desalination market is worth roughly $21.3 billion in 2025 and growing at 9.1% annually. Seawater reverse osmosis accounts for more than 60% of all installed capacity. The Middle East still leads total volume, but Asia-Pacific is the fastest-growing region. Key 2026 trends: solar-powered SWRO, zero-liquid-discharge integration, and AI-driven process optimization. (IDA World Congress Report<\/a>, 2025)<\/p>\n<\/blockquote>\n <\/p>\n The global desalination market reached approximately $21.3 billion in market value during 2025, with projections putting 2026 figures near $23.2 billion as capacity installations accelerate across water-stressed regions (Grand View Research<\/a>, 2025). That 9.1% CAGR marks a sustained acceleration compared to the 7\u20138% rates recorded between 2018 and 2022.<\/p>\n Total installed capacity crossed the 100 million cubic meters per day threshold in 2024, a milestone the International Desalination Association tracked for years. For context, that’s enough to supply roughly 700 million people with basic daily water needs. The pipeline of projects under construction or permitted as of early 2026 suggests global capacity will reach 115\u2013120 million m\u00b3\/day before 2030.<\/p>\n What’s pushing the market? Three things: population growth in arid zones, groundwater depletion in agricultural regions that previously relied on wells, and falling membrane prices. Seawater RO membrane costs have dropped more than 80% since 2000, making small-to-mid-scale plants economically viable in places they simply weren’t before.<\/p>\n <\/p>\n\n
\nHow Large Is the Global Desalination Market in 2026?<\/h2>\n