| Country | Coastline (km) | Land Border (km) | Ratio | % Correct |
|---|---|---|---|---|
| Democratic Republic of the Congo | 37 | 10,730 | 0.003448276 | 86%
|
| Bosnia and Herzegovina | 20 | 1,459 | 0.013708019 | 81%
|
| Republic of the Congo | 169 | 5,504 | 0.030704942 | 79%
|
| Gambia | 80 | 740 | 0.108108108 | 78%
|
| Slovenia | 46.6 | 1,334 | 0.034932534 | 71%
|
| Togo | 56 | 1,647 | 0.034001214 | 70%
|
| Iraq | 58 | 3,650 | 0.015890411 | 69%
|
| Benin | 121 | 1,989 | 0.06083459 | 68%
|
| Jordan | 26 | 1,635 | 0.015902141 | 62%
|
| Cambodia | 443 | 2,572 | 0.172239502 | 58%
|
| Pakistan | 1,046 | 6,774 | 0.154413936 | 58%
|
| Suriname | 386 | 1,707 | 0.226127709 | 58%
|
| Guinea | 320 | 3,399 | 0.094145337 | 57%
|
| Kenya | 536 | 3,477 | 0.154155882 | 57%
|
| Guyana | 459 | 2,462 | 0.186433794 | 56%
|
| Senegal | 531 | 2,640 | 0.201136364 | 55%
|
| Belgium | 66.5 | 1,385 | 0.04801444 | 54%
|
| Cameroon | 402 | 4,591 | 0.087562623 | 53%
|
| Lithuania | 90 | 1,273 | 0.070699136 | 53%
|
| Sudan | 853 | 6,764 | 0.126108811 | 53%
|
| Bulgaria | 354 | 1,808 | 0.19579646 | 52%
|
| Romania | 225 | 2,508 | 0.089712919 | 51%
|
| Syria | 193 | 2,253 | 0.08566356 | 51%
|
| Poland | 440 | 2,788 | 0.157819225 | 50%
|
| Algeria | 998 | 6,343 | 0.157338799 | 49%
|
| Bangladesh | 580 | 4,246 | 0.136599152 | 47%
|
| Côte d'Ivoire | 515 | 3,110 | 0.165594855 | 47%
|
| Nigeria | 853 | 5,697 | 0.149727927 | 44%
|
| Georgia | 310 | 1,461 | 0.212183436 | 42%
|
| Mauritania | 754 | 5,074 | 0.148600709 | 37%
|
| Guatemala | 400 | 1,687 | 0.237107291 | 16%
|