<Tr> <Td> 41 </Td> <Td> Angola </Td> <Td> 20.1 </Td> <Td> 52 </Td> <Td> 1,246,700 </Td> <Td> 481,400 </Td> <Td> 25,022,000 </Td> </Tr> <Tr> <Td> 42 </Td> <Td> South Sudan </Td> <Td> 19.2 </Td> <Td> 50 </Td> <Td> 644,329 </Td> <Td> 248,777 </Td> <Td> 12,340,000 </Td> </Tr> <Tr> <Td> 43 </Td> <Td> Somalia </Td> <Td> 16.9 </Td> <Td> 44 </Td> <Td> 637,657 </Td> <Td> 246,201 </Td> <Td> 10,787,000 </Td> </Tr> <Tr> <Td> 44 </Td> <Td> Algeria </Td> <Td> 16.7 </Td> <Td> 43 </Td> <Td> 2,381,740 </Td> <Td> 919,590 </Td> <Td> 39,667,000 </Td> </Tr>

Which southern african country has a low overall population density