<Table> <Tr> <Th_colspan="4"> (show) Population Growth </Th> </Tr> <Tr> <Th> Census </Th> <Th> Pop . </Th> <Th> </Th> <Th>% ± </Th> </Tr> <Tr> <Td> 1951 </Td> <Td> 606,000 </Td> <Td> </Td> <Td>--</Td> </Tr> <Tr> <Td> 1961 </Td> <Td> 769,000 </Td> <Td> </Td> <Td> 26.9% </Td> </Tr> <Tr> <Td> 1971 </Td> <Td> 1,012,000 </Td> <Td> </Td> <Td> 31.6% </Td> </Tr> <Tr> <Td> 1981 </Td> <Td> 1,336,000 </Td> <Td> </Td> <Td> 32.0% </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> 1,775,000 </Td> <Td> </Td> <Td> 32.9% </Td> </Tr> <Tr> <Td> </Td> <Td> 2,319,000 </Td> <Td> </Td> <Td> 30.6% </Td> </Tr> <Tr> <Td> 2011 </Td> <Td> 2,964,007 </Td> <Td> </Td> <Td> 27.8% </Td> </Tr> <Tr> <Td_colspan="4"> Source: Census of India </Td> </Tr> </Table> <Tr> <Th_colspan="4"> (show) Population Growth </Th> </Tr> <Tr> <Th> Census </Th> <Th> Pop . </Th> <Th> </Th> <Th>% ± </Th> </Tr> <Tr> <Td> 1951 </Td> <Td> 606,000 </Td> <Td> </Td> <Td>--</Td> </Tr>

The states of manipur tripura and meghalya were formed in the year