In 2002, North America Males have a life expectancy at 74 ,females at 78. And Africa males have a life expectancy at 49 , females at 51 . Sections in 2025, North American males have a life expectancy at 78, female at 84. And in Africa Males have a life expectancy at 53 ,females at 57 . who will be seen that females have a higher life expectancy than males, and in 2025 the life expectancy is likely to increase. May be due to the modern technology.