Global B2B Saas Tam Growth Forecast 2026

Key Insights

• The global SaaS market was valued at $408.21 billion in 2025 and is forecast to reach $465.03 billion in 2026, representing approximately 13.9% year-over-year growth.
• Worldwide SaaS revenue is expected to maintain an annual growth rate of 19.38% between 2025 and 2029, with the market projected to reach $793.10 billion by 2029.
• The broader software market is projected to grow from $1.244 trillion in 2026 as part of overall IT spending forecasted to reach $6 trillion, with software representing approximately 20.7% of total IT expenditure.
• Long-term SaaS market projections indicate growth from $375.57 billion in 2026 to $1,482.44 billion by 2034, demonstrating a compound annual growth rate of 18.7% over the eight-year forecast period.

Source

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