Khartoum State is the top region by mid-year population in Sudan. As of 2009, mid-year population in Khartoum State was 5,428 thousands that accounts for 17.07% of Sudan's mid-year population. The top 5 regions (others are South Darfur, Gezira, North Kordofan, and North Darfur) account for 58.19% of it. Sudan's total mid-year population was estimated at 31,794 thousands in 2009.