A map showing how deep all of Earth’s modern groundwater would be if pooled above ground Image credit Karyn Ho

• Less than 10,000
• 10,000 to 49,999
• 50,000 to 99,999
• 100,000 to 499,999
• 500,000 to 999,999
• 1 million to 1,999,999
• 2 million or greater

View Results