<Table> <Tr> <Th colspan="4"> Leading foreign holders of US Treasury securities as of August 2017 </Th> </Tr> <Tr> <Th> Country </Th> <Th> Billions of dollars ( est . ) </Th> <Th> Ratio of owned US debt to 2016 GDP ( est . ) </Th> <Th> Percent change since August 2016 </Th> </Tr> <Tr> <Td> China </Td> <Td> 1,200.5 </Td> <Td> 6 % </Td> <Td> + 1 % </Td> </Tr> <Tr> <Td> Japan </Td> <Td> 1,101.7 </Td> <Td> 22 % </Td> <Td> − 4 % </Td> </Tr> <Tr> <Td> Ireland </Td> <Td> 307.2 </Td> <Td> 105 % </Td> <Td> + 15 % </Td> </Tr> <Tr> <Td> Brazil </Td> <Td> 273.6 </Td> <Td> 15 % </Td> <Td> + 7 % </Td> </Tr> <Tr> <Td> Cayman Islands </Td> <Td> 260.0 </Td> <Td> n / a </Td> <Td> − 2 % </Td> </Tr> <Tr> <Td> Switzerland </Td> <Td> 248.3 </Td> <Td> 38 % </Td> <Td> + 4 % </Td> </Tr> <Tr> <Td> United Kingdom </Td> <Td> 225.4 </Td> <Td> 9 % </Td> <Td> + 10 % </Td> </Tr> <Tr> <Td> Luxembourg </Td> <Td> 213.4 </Td> <Td> 359 % </Td> <Td> − 3 % </Td> </Tr> <Tr> <Td> Hong Kong </Td> <Td> 197.3 </Td> <Td> 62 % </Td> <Td> + 3 % </Td> </Tr> <Tr> <Td> Taiwan </Td> <Td> 180.4 </Td> <Td> 34 % </Td> <Td> -- 5 % </Td> </Tr> <Tr> <Td> Others </Td> <Td> 2,061.9 </Td> <Td> n / a </Td> <Td> + 1 % </Td> </Tr> <Tr> <Th> Grand total </Th> <Th> 6,269.7 </Th> <Th> n / a </Th> <Th> + 1 % </Th> </Tr> </Table>
how much is the united states in debt to china
1,200.5