How many water purifiers are sold yearly?

The number of water purifiers sold yearly varies significantly by region and market conditions. As of recent estimates, global sales of water purifiers were projected to exceed 20 million units annually, with rapid growth in developing markets due to increasing awareness of water quality. However, these figures can fluctuate based on factors such as technological advancements, regulatory changes, and consumer preferences. For the most accurate and current data, industry reports or market research should be consulted.