| Region | Acquired | Population | Answer | % Correct |
|---|---|---|---|---|
| Caribbean | 1899 | 3,285,874 | Puerto Rico | 93%
|
| Pacific | 1899 | 153,836 | Guam | 76%
|
| Caribbean | 1917 | 87,146 | U.S. Virgin Islands | 76%
|
| Pacific | 1900 | 49,710 | American Samoa | 66%
|
| Pacific | 1986 | 47,329 | Northern Mariana Islands | 45%
|
| Pacific | 1867 | 40 | Midway Atoll | 28%
|
| Pacific | 1899 | 0 | Wake Island | 17%
|
| Pacific | 1858 | 0 | Johnston Atoll | 10%
|
| Pacific | 1857 | 0 | Baker Island | 7%
|
| Pacific | 1922 | 0 | Kingman Reef | 7%
|
| Caribbean | 1857 | 0 | Navassa Island | 7%
|
| Pacific | 1900 | 20 | Palmyra Atoll | 7%
|
| Pacific | 1858 | 0 | Jarvis Island | 3%
|
| Pacific | 1857 | 0 | Howland Island | 0%
|