<Tr> <Th> Hanoi </Th> <Td> Vietnam </Td> <Td> </Td> <Td> 6,844,100 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Rio de Janeiro </Th> <Td> Brazil </Td> <Td> </Td> <Td> 6,429,923 </Td> <Td> 12,727,000 </Td> <Td> 13,973,505 </Td> </Tr> <Tr> <Th> Qingdao </Th> <Td> China </Td> <Td> </Td> <Td> 6,188,100 </Td> <Td> 9,046,200 </Td> <Td> 6,188,100 </Td> </Tr> <Tr> <Th> Foshan </Th> <Td> China </Td> <Td> </Td> <Td> 6,151,622 </Td> <Td> </Td> <Td> </Td> </Tr>

Ranking of the largest cities in the world