The global portable oxygen concentrators market is experiencing steady expansion, driven by rising respiratory illnesses, a growing elderly population, and increasing adoption of home-based healthcare. The market was valued at USD 0.86 billion in 2024 and is projected to grow from USD 0.92 billion in 2025 to nearly USD 1.70 billion by 2035, registering a CAGR of 6.4 percent during the forecast...