Diatomite market to reach $2.4 billion by 2031

Allied Market Research projects the global diatomite market will grow from $1.4 billion in 2021 to $2.4 billion by 2031, driven by steady demand in filtration and other industrial uses. The report highlights calcined diatomite, North America and the filtration segment as current leaders, while Asia-Pacific and natural diatomite show the fastest growth.

Why it matters: - The global diatomite market is on track to add $1 billion in annual revenue by 2031, signaling sustained demand across filtration, cement additives, fillers and absorbents. - The forecast points to growth opportunities for producers, investors and industrial buyers watching capacity, product mix and regional expansion.

What happened: - Allied Market Research said the global diatomite market generated $1.4 billion in 2021 and is projected to reach $2.4 billion by 2031. - The market is forecast to grow at a CAGR of 5.7% from 2022 to 2031. - The report was published June 11, 2026. - The analysis covers market trends, top segments, value chain, investment scenarios, regional markets and competition. - A sample PDF is available. - A purchase enquiry page is available. - The full report summary is available.

The details: - The calcined segment held the largest type share in 2021, with more than two-fifths of the global market. - The calcined segment is expected to keep its lead through the forecast period. - The natural segment is projected to post the fastest growth, with a 6.2% CAGR. - Other types in the report include flux calcined. - The filtration application held nearly three-fifths of the market in 2021. - The filtration segment is expected to remain the largest application by 2031. - Other applications in the report include cement additive, filler, absorbent and others. - North America accounted for nearly half of the global market in 2021. - North America is expected to remain the biggest regional contributor by 2031. - Asia-Pacific is projected to grow the fastest, with a 6.2% CAGR. - The report also covers Europe and LAMEA. - Companies named in the research include Caltron Clays & Chemicals Pvt. Ltd., Showa Industries Co. Ltd., Decalite Europe NV, Diatomit CJSC, Reade International Corp., Imerys Filtration Mineral, Inc., Kuraray Co. Ltd., Nova Industries Ltd., Seema Minerals & Metals and U.S. Silica Holdings Inc. - The report says these players have used new product launches, acquisitions, mergers, joint ventures and collaborations to grow market share.

Between the lines: - Filtration remains the core commercial use case, which suggests the market is being driven by established industrial demand rather than a single emerging application. - The faster growth in natural diatomite and Asia-Pacific suggests investors may be watching lower-cost or regionally expanding supply chains. - The competitive picture appears fragmented, with multiple players pursuing similar expansion and partnership strategies.

What's next: - The market will be shaped by how quickly suppliers expand in faster-growing regions and how much demand shifts toward natural diatomite. - Product development, regional expansion and strategic collaborations are likely to remain the main competitive moves through 2031.