<Tr> <Th> (hide) Further details </Th> </Tr> <Tr> <Td> Brunei is a nation constituted by 4 districts . </Td> </Tr> <Tr> <Td> Nigeria--Federal Republic of Nigeria Capital: Abuja </Td> <Td> A 1986 </Td> <Td> A 7008178517000000000 ♠ 178,517,000 </Td> <Td> A 7005923768000000000 ♠ 923,768 </Td> <Td> A English </Td> <Td> <Table> <Tr> <Th> (hide) Further details </Th> </Tr> <Tr> <Td> Nigeria is a federation of 36 states and 1 federal territory . </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> (hide) Further details </Th> </Tr> <Tr> <Td> Nigeria is a federation of 36 states and 1 federal territory . </Td> </Tr> </Table>

When did nigeria become a member of oic