HIV/AIDS rate in Nigeria is much lower compared to the other African nations such as Kenya or South Africa whose prevalence (percentage) rates are in the double digits. As of 2012[update], the HIV prevalence rate among adults ages 15–49 was just 3.1 percent. As of 2014[update], Life expectancy in Nigeria is 52.62 years on average according to CIA, and just over half the population have access to potable water and appropriate sanitation; As of 2010[update], the Infant mortality is 8.4 deaths per 1000 live births.