<Tr> <Td> Current leader (s) </Td> <Td> President Donald Trump </Td> <Td> President Muhammadu Buhari </Td> </Tr> <Tr> <Td> Ruling political party </Td> <Td> Republican Party </Td> <Td> All Progressives Congress </Td> </Tr> <Tr> <Td> Official languages </Td> <Td> None at federal level, but English de facto </Td> <Td> English </Td> </Tr> <Tr> <Td> Human Development Index (2014) </Td> <Td> 0.915 (very high) </Td> <Td> 0.514 (low) </Td> </Tr>

Historical development of management from the united state to nigeria