+---------------------+------+------+------+------+------+-----+------+
| |=Asia=|=Afri-|=North|=South| =Eu- |=Aus-| =All |
| =Continent= | | ca= |Ameri-|Ameri-|rope= |tra- |Land= |
| | | | ca= | ca= | |lia= | |
+---------------------+------+------+------+------+------+-----+------+
|Area (million square | | | | | | | |
|miles) | 16.4| 11.1| 7.6| 6.8| 3.7| 3.0| 55.0|
|Average Height (feet)| 3,000| 2,500| 1,900| 2,000| 940| 800| 2,100|
|Highest Point (feet) |29,000|18,800|18,200|22,400|18,500|7,200|29,000|
| | | | | | | | |
|PERCENTAGE AT VARIOUS| | | | | | | |
| ALTITUDES (feet) | | | | | | | |
| | | | | | | | |
|Below Sea-Level | 1.4 | 0.1 | 0.05| 0.0 | 1.8 | 0.0| 0.6|
| 0 to 600 feet| 23.3 | 12.5 | 32.25| 40.0 | 53.8 | 29.8| 26.7|
| 600 to 1,500 feet| 16.0 | 34.8 | 32.1 | 26.8 | 27.0 | 64.3| 27.8|
| 1,500 to 3,000 feet| 21.7 | 27.6 | 13.3 | 16.8 | 10.0 | 4.1| 19.3|
| 3,000 to 6,000 feet| 21.8 | 21.8 | 13.2 | 7.0 | 5.5 | 1.5| 17.0|
| 6,000 to 12,000 feet| 10.0 | 2.8 | 8.4 | 5.0 | 1.7 | 0.3| 6.0|
| Above 12,000 feet | 5.8 | 0.4 | 0.7 | 4.4 | 0.2 | 0.0| 2.6|
+---------------------+------+------+------+------+------+-----+------+