Normal sperm count is

Sperm count, or sperm concentration to avoid confusion with total sperm count, measures the concentration of sperm in a man&;s ejaculate, distinguished from total sperm count, which is the sperm count multiplied with volume. Over 15 million sperm per milliliter is considered normal, according to the WHO in 2010. Older definitions state 20 millionRef: Ganong&;s review of medical physiology; 24th edition; page no: 421