<P> The Great Irish Famine, which began in the 1840s, caused the deaths of one million Irish people, and caused well over a million to emigrate . Mass emigration became entrenched as a result of the famine, and the population continued to decline until the mid-20th century . </P> <P> The population of England had almost doubled from 16.8 million in 1851 to 30.5 million in 1901 . Ireland's population decreased rapidly, from 8.2 million in 1841 to less than 4.5 million in 1901 . </P> <Table> <Tr> <Th> Part </Th> <Th> Population (mid-2016) </Th> <Th_colspan="2"> Percentage </Th> <Th> Area </Th> <Th> Pop . density </Th> </Tr> <Tr> <Td> England </Td> <Td> 55,268,100 </Td> <Td> 84.2 </Td> <Td> 84.2 </Td> <Td> 132,938 km2 </Td> <Td> 415 / km2 </Td> </Tr> <Tr> <Td> Scotland </Td> <Td> 5,404,700 </Td> <Td> 8.2 </Td> <Td> 8.2 </Td> <Td> 80,239 km2 </Td> <Td> 67 / km2 </Td> </Tr> <Tr> <Td> Wales </Td> <Td> 3,113,200 </Td> <Td> 4.7 </Td> <Td> 4.7 </Td> <Td> 21,225 km2 </Td> <Td> 147 / km2 </Td> </Tr> <Tr> <Td> Northern Ireland </Td> <Td> 1,862,100 </Td> <Td> 2.8 </Td> <Td> 2.8 </Td> <Td> 14,130 km2 </Td> <Td> 132 / km2 </Td> </Tr> <Tr> <Td> United Kingdom </Td> <Td> 65,648,100 </Td> <Td> 100 </Td> <Td> 100 </Td> <Td> 248,532 km2 </Td> <Td> 259 / km2 </Td> </Tr> </Table> <Tr> <Th> Part </Th> <Th> Population (mid-2016) </Th> <Th_colspan="2"> Percentage </Th> <Th> Area </Th> <Th> Pop . density </Th> </Tr>

What is the total population of the uk
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