Sudan total population is estimated at 31.6 million in the year 2001, with a population growth rate of 2.63% per year. 32% of population are urban.68% of population live in rural areas, with 7% nomads. Males and females are of equal ratio with marginal edge in favor of male population. Population under 15 years constitutes 43% of total population. Population over 60 years constitutes 3.8% of total.