Iindawo ezinje ngezi zithatha umhlaba ongangama-33% apha emhlabeni. Oko kuquka umhlaba omninzi waseAntarctica, apho umhlaba omninzi ungafumani liqhwa kwaphela. Eyona ntlango inkulu nenobushushu obuphakamileyo yintlango yaseSahara, emantla eAfrica, ithatha umhlaba ozii square kilomitha ezizizigidi ezilu-9.