<Tr> <Td> 19 </Td> <Td> Switzerland </Td> <Td> 7005668851000000000 ♠ 668,851 </Td> </Tr> <Tr> <Td> 20 </Td> <Td> Saudi Arabia </Td> <Td> 7005639617000000000 ♠ 639,617 </Td> </Tr> <Tr> <Td> 21 </Td> <Td> Argentina </Td> <Td> 7005545866000000000 ♠ 545,866 </Td> </Tr> <Tr> <Td> 22 </Td> <Td> Sweden </Td> <Td> 7005514475000000000 ♠ 514,475 </Td> </Tr>

United states gdp as a percentage of world