National holiday:

Independence Day, 1 January (1956)

Constitution:

Interim National Constitution ratified 5 July 2005

note: under the Comprehensive Peace Agreement, the Interim National Constitution was ratified 5 July 2005; Constitution of Southern Sudan was signed December 2005

Legal system:

based on English common law and Islamic law; as of 20 January 1991, the now defunct Revolutionary Command Council imposed Islamic law in the northern states; Islamic law applies to all residents of the northern states regardless of their religion; however, the CPA establishes some protections for non-Muslims in Khartoum; some separate religious courts; accepts compulsory ICJ jurisdiction with reservations; the southern legal system is still developing under the CPA following the civil war; Islamic law will not apply to the southern states

Suffrage:

17 years of age; universal

Executive branch: