How many people have tred climbing mount everest but had to turn back?

As of recent estimates, thousands of climbers have attempted to summit Mount Everest but have had to turn back due to various reasons such as severe weather, altitude sickness, or exhaustion. Specific figures can vary each climbing season, but it's reported that around 40-60% of climbers do not reach the summit. This translates to several hundred climbers annually who face challenges that prevent them from completing their ascent. The actual number of those who have turned back throughout history is likely in the thousands.