<P> Three of the main religious groups are Muslim at 50%, Christian at 40% and other indigenous beliefs at 10% . The predominantly Christian Igbo are found in the southeast . Roman Catholicism is the largest Christian denomination in Igboland, but Anglicanism is also strong, as are Pentecostal and other Evangelical denominations . </P> <P> Persons of different ethnic backgrounds most commonly communicate in English, although knowledge of two or more Nigerian languages is widespread . Hausa, Igbo and Yoruba are the most widely used Nigerian languages . Nigerian Pidgin is used widely as an unofficial medium of communication especially in the Nigerian cities of Warri, Sapele, Ughelli, Benin and Port Harcourt . </P> <Table> <Tr> <Th_colspan="3"> Historical population </Th> </Tr> <Tr> <Th> Year </Th> <Th> Pop . </Th> <Th> ±% p.a. </Th> </Tr> <Tr> <Th> 1952 </Th> <Td> 30,403,305 </Td> <Td>--</Td> </Tr> <Tr> <Th> 1963 </Th> <Td> 54,959,426 </Td> <Td> + 5.53% </Td> </Tr> <Tr> <Th> 1991 </Th> <Td> 88,992,220 </Td> <Td> + 1.74% </Td> </Tr> <Tr> <Th> 2006 </Th> <Td> 140,431,790 </Td> <Td> + 3.09% </Td> </Tr> <Tr> <Th> 2011 </Th> <Td> 162,471,000 </Td> <Td> + 2.96% </Td> </Tr> <Tr> <Th> 2013 </Th> <Td> 174,507,539 </Td> <Td> + 3.64% </Td> </Tr> <Tr> <Th> 2015 </Th> <Td> 182,202,000 </Td> <Td> + 2.18% </Td> </Tr> <Tr> <Th> 2017 </Th> <Td> 191,836,000 </Td> <Td> + 2.61% </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Historical population </Th> </Tr>

What is the population of nigeria from 1980 till date
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