<Tr> <Td> United States Navy </Td> <Td> 325,802 </Td> <Td> 267,286 </Td> <Td> 54,114 </Td> <Td> 265,852 </Td> <Td> 62,168 </Td> <Td> 179,293 </Td> </Tr> <Tr> <Td> United States Marine Corps </Td> <Td> 184,427 </Td> <Td> 163,092 </Td> <Td> 21,335 </Td> <Td> 181,845 </Td> <Td> 15,551 </Td> <Td> 20,484 </Td> </Tr> <Tr> <Td> United States Air Force </Td> <Td> 323,222 </Td> <Td> 258,015 </Td> <Td> 61,144 </Td> <Td> 270,462 </Td> <Td> 50,750 </Td> <Td> 174,754 </Td> </Tr> <Tr> <Td> United States Coast Guard </Td> <Td> 42,042 </Td> <Td> 32,782 </Td> <Td> 8,239 </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr>

What percentage of the us population are marines