Debt - external:

$37.98 billion (31 December 2010 est.) country comparison to the world: 58 $35.71 billion (31 December 2009 est.)

Exchange rates:

Sudanese pounds (SDG) per US dollar - 2.36 (2010), 2.32 (2009), 2.1 (2008), 2.06 (2007), 2.172 (2006)

Communications ::Sudan

Telephones - main lines in use:

370,400 (2009) country comparison to the world: 105

Telephones - mobile cellular:

15.34 million (2009) country comparison to the world: 47

Telephone system: