Technology & Telecommunications

Mainframe Computers: Market Size, Growth & Forecast to 2030

The Mainframe Computers market is valued at about $4.5 billion (2026) and is projected to grow at a 3.8% CAGR through 2030. The largest cost driver is Processor and logic semiconductors (30% of spend). North America leads demand at 45%.

Market size
$4.50 bn (2026)
CAGR to 2030
+3.8%
Buyer power
Favours buyers
Tracked suppliers
15
Projected market growth (index, 2026 = 100)
Base year 2026
Official data · Claight projectionForecast
Market size index, 2026 = 100, at the 3.8% CAGR.
Forecast
2026
2027
2028
2029
2030
2031
2026 base: 1002031 est: 121

Cost structure

Processor and logic semiconductors
30%
Specialized operating system and software development
25%
Precision engineering and advanced hardware assembly
20%
Research and development or engineering overhead
15%
Logistics, duty, and specialized technical deployment
10%

Regional demand split

North America demand
45%
Europe demand
25%
Asia Pacific demand
20%
Rest of world demand
10%

Key suppliers

IBMFujitsuUnisysBroadcomBMC SoftwareRocket Software
Read the full Mainframe Computers report →

Claight market analysis of proprietary and public data. Full report: /category-intelligence/mainframe-computers