The global oxygen generator market continues to expand, with the industrial oxygen generator market size reaching 251 million US dollars in 2024 and is expected to grow to 363 million US dollars by 2031, with a CAGR of approximately 5.5% from 2025 to 2031. The aging population and high incidence of chronic diseases drive the demand for medical-grade oxygen generation, while the rise of home oxygen therapy and plateau tourism boosts the growth of portable models.